From c34eb10cc475d71e215a074c6a4583b242e8bc06 Mon Sep 17 00:00:00 2001
From: danieleades <33452915+danieleades@users.noreply.github.com>
Date: Mon, 19 Apr 2021 15:38:32 +0100
Subject: [PATCH] Poetry (#216)

* add nox + poetry files

* update ci.yml

* drop python 3.5 support from CI matrix

* install poetry

* commit poetry lock file

* add sphinx version to CI matrix

* remove quotes

* add missing dollar sign

* change version specifications to strings

* try to set names for the matrix jobs

* remove deprecated files

* treat poetry.lock as a binary

* add more documentation, deprecate setup file

* try to convince github to ignore the poetry.lock file in diffs

* try to convince github to ignore the poetry.lock file in diffs

* try to convince github to ignore the poetry.lock file in diffs

* try to convince github to ignore the poetry.lock file in diffs

* tidy up

* tidy noxfile

* update lock file

* bump dependencies

* prune over-enthusiastic use of the word 'also'

also change a <ul> to an <ol>

* add py39 to test matrix

* move logic from noxfile to Makefile

* add flake8

* fix outstanding lint errors

* add CI target

* re-add 'test_doc_github_61'

* add linting for pep8 naming compliance

* add trailing newline to file

* fix lint error

* add makefile targets for building docs

* move 'contributing' guide from markdown file to docs/ directory

* add missing newline

* fix flake8 lints
---
 .flake8                                       |    4 +
 .gitattributes                                |    2 +
 .github/workflows/ci.yaml                     |   40 +
 .gitignore                                    |    2 +-
 .travis.yml                                   |   25 -
 Makefile                                      |   21 +
 doc-requirements.txt                          |    4 -
 docs/contributing.rst                         |   77 ++
 docs/index.rst                                |    1 +
 noxfile.py                                    |   44 +
 poetry.lock                                   |  961 +++++++++++++++
 pyproject.toml                                |   51 +
 setup.py                                      |   49 -
 sphinxcontrib/needs/api/configuration.py      |    2 +-
 sphinxcontrib/needs/directives/needfilter.py  |    1 +
 sphinxcontrib/needs/directives/needflow.py    |    2 +-
 sphinxcontrib/needs/directives/needimport.py  |    2 -
 .../needs/directives/needsequence.py          |    6 +-
 sphinxcontrib/needs/layout.py                 |    4 +-
 sphinxcontrib/needs/services/manager.py       |    2 +-
 sphinxcontrib/needs/utils.py                  |   11 +-
 test-requirements.txt                         |   10 -
 tests/__init__.py                             |    0
 tests/data/service_github.py                  | 1056 ++++++++++-------
 tests/test_broken_links.py                    |    1 -
 tox.ini                                       |   33 -
 26 files changed, 1845 insertions(+), 566 deletions(-)
 create mode 100644 .flake8
 create mode 100644 .gitattributes
 create mode 100644 .github/workflows/ci.yaml
 delete mode 100644 .travis.yml
 create mode 100644 Makefile
 delete mode 100644 doc-requirements.txt
 create mode 100644 docs/contributing.rst
 create mode 100644 noxfile.py
 create mode 100644 poetry.lock
 create mode 100644 pyproject.toml
 delete mode 100644 setup.py
 delete mode 100644 test-requirements.txt
 create mode 100644 tests/__init__.py
 delete mode 100644 tox.ini

diff --git a/.flake8 b/.flake8
new file mode 100644
index 000000000..f005fbdcd
--- /dev/null
+++ b/.flake8
@@ -0,0 +1,4 @@
+[flake8]
+max-line-length = 120
+per-file-ignores =
+    tests/data/service_github.py: E501
diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 000000000..146b401a1
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,2 @@
+poetry.lock linguist-generated=true
+poetry.lock -diff
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
new file mode 100644
index 000000000..e13b022cb
--- /dev/null
+++ b/.github/workflows/ci.yaml
@@ -0,0 +1,40 @@
+name: CI
+on: [push, pull_request]
+jobs:
+  tests:
+    name: "Test (python: ${{ matrix.python-version }}, sphinx: ${{ matrix.sphinx-version }})"
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-20.04]
+        python-version: ["3.6", "3.7", "3.8", "3.9"]
+        sphinx-version: ["2.2", "2.3", "2.4", "3.0", "3.2"]
+        exclude:
+          - python-version: "3.6"
+            sphinx-version: "3.2"
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set Up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install Nox Dependencies
+        run: |
+          python -m pip install poetry nox nox-poetry
+      - name: Run Tests
+        run: nox --non-interactive --session "tests-${{ matrix.python-version }}(sphinx='${{ matrix.sphinx-version }}')" -- --full-trace
+
+  lint:
+    name: Lint
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set Up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: "3.9"
+      - name: Install Nox Dependencies
+        run: |
+          python -m pip install poetry nox nox-poetry
+      - name: Run Lint
+        run: nox --non-interactive --session lint -- --full-trace
diff --git a/.gitignore b/.gitignore
index 5978cf757..c972b8c78 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,5 +16,5 @@ _build
 .doctrees
 docs/github_images/
 .eggs/
-
 docs/_images/need_pie_*.png
+poetry.lock
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index df12b1422..000000000
--- a/.travis.yml
+++ /dev/null
@@ -1,25 +0,0 @@
-os:
-- linux
-language: python
-python:
-- '3.5'
-- '3.7'
-- '3.8'
-before_install:
-- sudo apt-get update
-- sudo apt-get install -y texlive-latex-recommended texlive-fonts-recommended texlive-latex-extra
-  latexmk texlive-luatex texlive-xetex
-install:
-- pip install tox-travis
-- python setup.py install
-script:
-- tox
-after_success:
-- which python
-- pip install sphinxcontrib-plantuml
-- cd docs
-- make latexpdf
-env:
-  global:
-  - secure: M7mBLHk9cx+0cx7Wlo+TU+GrWdLeI1XBNSe/9oRg8FUuN6sSzkjq/0TcYYGTzcMlhUaxzKObTtE2ye2iHsPUBkjIcGdUXA5uU+EGCryz/ckdI3rPx+e2/32riJmTLgQOPpQAoVG+SDoL/28jSVetwv3SpOKue+XOI3QfZOfunZDWJOpRtFyCcm+nZ8HlxQ+glnlvZkACrNWFq/Q2WJlSSHP2/CG62jc6/j+tXXu9n5DlGbZd7QyaZHmj9xa5OFgqsk5XfilDfc/XSrw3cNDIlCTYkUwRebneblZPLEQ/qVp7bfW+lFQ9z2wHpu8ZG8HV6TDnByQ1YC/tscxkJBrFbqKC0cXouPPq+LamZOauiJOqasMKCRdmoRDKMvt7jowXXoeHvgzBr7Uo7xzE0Kx1CvsAYMG2LpX5ds9vXv6PkSZ7gw6B9krBnMEkrhwQO8M+1NtAjPVsZyNLl8jxcyL+8o41isDwqzoHo5G2/uRiMqxLsTaDylSrCg5EftbS8aDVxEkChRTP2bdJqZ5P2ji2klRfQkpNEnPxuJVx8BdgIsmhup0AA5zMcMNAsyjf0gDzkBnbesEx06VDznN5aeW0Gvf4jfp83Ee2D8aV2B7SB3nBoA1MHOkSN+WLLIGY87ZrKEBOUu2tdbbpJ1wuFZgwSepsO8DOd4sSpl0BGQpq+XY=
-  - secure: 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
diff --git a/Makefile b/Makefile
new file mode 100644
index 000000000..111d3b3b0
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,21 @@
+SRC_FILES = sphinxcontrib/ tests/ noxfile.py
+
+.PHONY: lint
+lint:
+	poetry run flake8 ${SRC_FILES}
+
+.PHONY: test
+test:
+	poetry run nosetests -w tests
+
+.PHONY: test-matrix
+test-matrix:
+	nox
+
+.PHONY: docs-html
+docs-html:
+	poetry run make --directory docs/ html
+
+.PHONY: docs-pdf
+docs-pdf:
+	poetry run make --directory docs/ latexpdf
diff --git a/doc-requirements.txt b/doc-requirements.txt
deleted file mode 100644
index 27a90838f..000000000
--- a/doc-requirements.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-sphinx>=1.6
-sphinxcontrib-plantuml
-matplotlib
-sphinx-copybutton
diff --git a/docs/contributing.rst b/docs/contributing.rst
new file mode 100644
index 000000000..3ce95f5cd
--- /dev/null
+++ b/docs/contributing.rst
@@ -0,0 +1,77 @@
+Contributing
+============
+
+The following provides a guide for developers wishing to contribute
+to Sphinx-Needs
+
+Installing Dependencies
+-----------------------
+
+Sphinxcontrib-Needs requires only
+`Poetry <https://python-poetry.org/>`__ to be installed as a system
+dependency, the rest of the dependencies are ‘bootstrapped’ and
+installed in an isolated environment by Poetry.
+
+1. `Install Poetry <https://python-poetry.org/docs/#installation>`__
+
+2. Install project dependencies
+
+   ::
+
+       poetry install
+
+Running Tests
+-------------
+
+::
+
+   make test
+
+Linting
+-------
+
+::
+
+   make lint
+
+Running Test Matrix
+-------------------
+
+This project provides a test matrix for running the tests across a range
+of python and sphinx versions. This is used primarily for continuous
+integration.
+
+`Nox <https://nox.thea.codes/en/stable/>`__ is used as a test runner.
+
+Running the matrix tests requires additional system-wide dependencies
+
+1. `Install
+   Nox <https://nox.thea.codes/en/stable/tutorial.html#installation>`__
+2. `Install Nox-Poetry <https://pypi.org/project/nox-poetry/>`__
+3. You will also need multiple Python versions available. You can manage
+   these using `Pyenv <https://github.com/pyenv/pyenv>`__
+
+you can run the test matrix by using the ``nox`` command
+
+::
+
+   nox
+
+or using the provided Makefile
+
+::
+
+   make test-matrix
+
+for a full list of available options, refer to the Nox documentation,
+and the local `noxfile <.../noxfile.py>`__
+
+Running Commands
+----------------
+
+See the Poetry documentation for a list of commands.
+
+See the local `Makefile <../Makefile>`__ for a full list of commands
+
+In order to run custom commands inside the isolated environment, they
+should be prefixed with “poetry run” (ie. ``poetry run <command>``).
diff --git a/docs/index.rst b/docs/index.rst
index e7e174b2d..2b30e46e6 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -307,6 +307,7 @@ Content
    snippets
    support
    changelog
+   contributing
    license
    contributors
 
diff --git a/noxfile.py b/noxfile.py
new file mode 100644
index 000000000..94ea9ac4d
--- /dev/null
+++ b/noxfile.py
@@ -0,0 +1,44 @@
+import nox
+from nox_poetry import session
+
+
+PYTHON_VERSIONS = ["3.6", "3.7", "3.8", "3.9"]
+SPHINX_VERSIONS = ["2.2", "2.3", "2.4", "3.0", "3.2"]
+TEST_DEPENDENCIES = [
+    "nose",
+    "sphinx_testing",
+    "sphinxcontrib.plantuml",
+    "matplotlib",
+    "responses",
+    "sphinx_copybutton",
+]
+LINT_DEPENDENCIES = [
+    "flake8",
+    "pep8-naming",
+]
+
+
+def is_supported(python: str, sphinx: str) -> bool:
+    return not (python == "3.6" and float(sphinx) > 3.0)
+
+
+def run_tests(session, sphinx):
+    session.install(".")
+    session.install(*TEST_DEPENDENCIES)
+    session.run("pip", "install", f"sphinx=={sphinx}", silent=True)
+    session.run("make", "test", external=True)
+
+
+@session(python=PYTHON_VERSIONS)
+@nox.parametrize("sphinx", SPHINX_VERSIONS)
+def tests(session, sphinx):
+    if is_supported(session.python, sphinx):
+        run_tests(session, sphinx)
+    else:
+        session.skip("unsupported combination")
+
+
+@session(python="3.9")
+def lint(session):
+    session.install(*LINT_DEPENDENCIES)
+    session.run("make", "lint", external=True)
diff --git a/poetry.lock b/poetry.lock
new file mode 100644
index 000000000..be61d0102
--- /dev/null
+++ b/poetry.lock
@@ -0,0 +1,961 @@
+[[package]]
+name = "alabaster"
+version = "0.7.12"
+description = "A configurable sidebar-enabled Sphinx theme"
+category = "main"
+optional = false
+python-versions = "*"
+
+[[package]]
+name = "babel"
+version = "2.9.0"
+description = "Internationalization utilities"
+category = "main"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+
+[package.dependencies]
+pytz = ">=2015.7"
+
+[[package]]
+name = "certifi"
+version = "2020.12.5"
+description = "Python package for providing Mozilla's CA Bundle."
+category = "main"
+optional = false
+python-versions = "*"
+
+[[package]]
+name = "chardet"
+version = "4.0.0"
+description = "Universal encoding detector for Python 2 and 3"
+category = "main"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+
+[[package]]
+name = "colorama"
+version = "0.4.4"
+description = "Cross-platform colored terminal text."
+category = "main"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+
+[[package]]
+name = "cycler"
+version = "0.10.0"
+description = "Composable style cycles"
+category = "main"
+optional = false
+python-versions = "*"
+
+[package.dependencies]
+six = "*"
+
+[[package]]
+name = "docutils"
+version = "0.16"
+description = "Docutils -- Python Documentation Utilities"
+category = "main"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+
+[[package]]
+name = "docutils"
+version = "0.17.1"
+description = "Docutils -- Python Documentation Utilities"
+category = "main"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+
+[[package]]
+name = "flake8"
+version = "3.9.1"
+description = "the modular source code checker: pep8 pyflakes and co"
+category = "dev"
+optional = false
+python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,>=2.7"
+
+[package.dependencies]
+importlib-metadata = {version = "*", markers = "python_version < \"3.8\""}
+mccabe = ">=0.6.0,<0.7.0"
+pycodestyle = ">=2.7.0,<2.8.0"
+pyflakes = ">=2.3.0,<2.4.0"
+
+[[package]]
+name = "flake8-polyfill"
+version = "1.0.2"
+description = "Polyfill package for Flake8 plugins"
+category = "dev"
+optional = false
+python-versions = "*"
+
+[package.dependencies]
+flake8 = "*"
+
+[[package]]
+name = "idna"
+version = "2.10"
+description = "Internationalized Domain Names in Applications (IDNA)"
+category = "main"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+
+[[package]]
+name = "imagesize"
+version = "1.2.0"
+description = "Getting image size from png/jpeg/jpeg2000/gif file"
+category = "main"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+
+[[package]]
+name = "importlib-metadata"
+version = "4.0.0"
+description = "Read metadata from Python packages"
+category = "dev"
+optional = false
+python-versions = ">=3.6"
+
+[package.dependencies]
+typing-extensions = {version = ">=3.6.4", markers = "python_version < \"3.8\""}
+zipp = ">=0.5"
+
+[package.extras]
+docs = ["sphinx", "jaraco.packaging (>=8.2)", "rst.linker (>=1.9)"]
+testing = ["pytest (>=4.6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytest-cov", "pytest-enabler (>=1.0.1)", "packaging", "pep517", "pyfakefs", "flufl.flake8", "pytest-black (>=0.3.7)", "pytest-mypy", "importlib-resources (>=1.3)"]
+
+[[package]]
+name = "jinja2"
+version = "2.11.3"
+description = "A very fast and expressive template engine."
+category = "main"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+
+[package.dependencies]
+MarkupSafe = ">=0.23"
+
+[package.extras]
+i18n = ["Babel (>=0.8)"]
+
+[[package]]
+name = "kiwisolver"
+version = "1.3.1"
+description = "A fast implementation of the Cassowary constraint solver"
+category = "main"
+optional = false
+python-versions = ">=3.6"
+
+[[package]]
+name = "markupsafe"
+version = "1.1.1"
+description = "Safely add untrusted strings to HTML/XML markup."
+category = "main"
+optional = false
+python-versions = ">=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*"
+
+[[package]]
+name = "matplotlib"
+version = "3.3.4"
+description = "Python plotting package"
+category = "main"
+optional = false
+python-versions = ">=3.6"
+
+[package.dependencies]
+cycler = ">=0.10"
+kiwisolver = ">=1.0.1"
+numpy = ">=1.15"
+pillow = ">=6.2.0"
+pyparsing = ">=2.0.3,<2.0.4 || >2.0.4,<2.1.2 || >2.1.2,<2.1.6 || >2.1.6"
+python-dateutil = ">=2.1"
+
+[[package]]
+name = "mccabe"
+version = "0.6.1"
+description = "McCabe checker, plugin for flake8"
+category = "dev"
+optional = false
+python-versions = "*"
+
+[[package]]
+name = "mypy"
+version = "0.812"
+description = "Optional static typing for Python"
+category = "dev"
+optional = false
+python-versions = ">=3.5"
+
+[package.dependencies]
+mypy-extensions = ">=0.4.3,<0.5.0"
+typed-ast = ">=1.4.0,<1.5.0"
+typing-extensions = ">=3.7.4"
+
+[package.extras]
+dmypy = ["psutil (>=4.0)"]
+
+[[package]]
+name = "mypy-extensions"
+version = "0.4.3"
+description = "Experimental type system extensions for programs checked with the mypy typechecker."
+category = "dev"
+optional = false
+python-versions = "*"
+
+[[package]]
+name = "nose"
+version = "1.3.7"
+description = "nose extends unittest to make testing easier"
+category = "dev"
+optional = false
+python-versions = "*"
+
+[[package]]
+name = "numpy"
+version = "1.19.5"
+description = "NumPy is the fundamental package for array computing with Python."
+category = "main"
+optional = false
+python-versions = ">=3.6"
+
+[[package]]
+name = "packaging"
+version = "20.9"
+description = "Core utilities for Python packages"
+category = "main"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+
+[package.dependencies]
+pyparsing = ">=2.0.2"
+
+[[package]]
+name = "pep8-naming"
+version = "0.11.1"
+description = "Check PEP-8 naming conventions, plugin for flake8"
+category = "dev"
+optional = false
+python-versions = "*"
+
+[package.dependencies]
+flake8-polyfill = ">=1.0.2,<2"
+
+[[package]]
+name = "pillow"
+version = "8.2.0"
+description = "Python Imaging Library (Fork)"
+category = "main"
+optional = false
+python-versions = ">=3.6"
+
+[[package]]
+name = "pycodestyle"
+version = "2.7.0"
+description = "Python style guide checker"
+category = "dev"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+
+[[package]]
+name = "pyflakes"
+version = "2.3.1"
+description = "passive checker of Python programs"
+category = "dev"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+
+[[package]]
+name = "pygments"
+version = "2.8.1"
+description = "Pygments is a syntax highlighting package written in Python."
+category = "main"
+optional = false
+python-versions = ">=3.5"
+
+[[package]]
+name = "pyparsing"
+version = "2.4.7"
+description = "Python parsing module"
+category = "main"
+optional = false
+python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
+
+[[package]]
+name = "python-dateutil"
+version = "2.8.1"
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+    {file = "typed_ast-1.4.3-cp39-cp39-manylinux2014_aarch64.whl", hash = "sha256:b9574c6f03f685070d859e75c7f9eeca02d6933273b5e69572e5ff9d5e3931c3"},
+    {file = "typed_ast-1.4.3-cp39-cp39-win32.whl", hash = "sha256:209596a4ec71d990d71d5e0d312ac935d86930e6eecff6ccc7007fe54d703808"},
+    {file = "typed_ast-1.4.3-cp39-cp39-win_amd64.whl", hash = "sha256:9c6d1a54552b5330bc657b7ef0eae25d00ba7ffe85d9ea8ae6540d2197a3788c"},
+    {file = "typed_ast-1.4.3.tar.gz", hash = "sha256:fb1bbeac803adea29cedd70781399c99138358c26d05fcbd23c13016b7f5ec65"},
+]
+typing-extensions = [
+    {file = "typing_extensions-3.7.4.3-py2-none-any.whl", hash = "sha256:dafc7639cde7f1b6e1acc0f457842a83e722ccca8eef5270af2d74792619a89f"},
+    {file = "typing_extensions-3.7.4.3-py3-none-any.whl", hash = "sha256:7cb407020f00f7bfc3cb3e7881628838e69d8f3fcab2f64742a5e76b2f841918"},
+    {file = "typing_extensions-3.7.4.3.tar.gz", hash = "sha256:99d4073b617d30288f569d3f13d2bd7548c3a7e4c8de87db09a9d29bb3a4a60c"},
+]
+urllib3 = [
+    {file = "urllib3-1.26.4-py2.py3-none-any.whl", hash = "sha256:2f4da4594db7e1e110a944bb1b551fdf4e6c136ad42e4234131391e21eb5b0df"},
+    {file = "urllib3-1.26.4.tar.gz", hash = "sha256:e7b021f7241115872f92f43c6508082facffbd1c048e3c6e2bb9c2a157e28937"},
+]
+zipp = [
+    {file = "zipp-3.4.1-py3-none-any.whl", hash = "sha256:51cb66cc54621609dd593d1787f286ee42a5c0adbb4b29abea5a63edc3e03098"},
+    {file = "zipp-3.4.1.tar.gz", hash = "sha256:3607921face881ba3e026887d8150cca609d517579abe052ac81fc5aeffdbd76"},
+]
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 000000000..147382529
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,51 @@
+[tool.poetry]
+name = "sphinxcontrib-needs"
+version = "0.7.0"
+description = "Sphinx needs extension for managing needs/requirements and specifications"
+authors = ["team useblocks <info@useblocks.com>"]
+license = "MIT"
+readme = "README.rst"
+repository = "http://github.com/useblocks/sphinxcontrib-needs"
+documentation = "https://sphinxcontrib-needs.readthedocs.io/en/latest/"
+classifiers=[
+        'Development Status :: 5 - Production/Stable',
+        'Intended Audience :: Developers',
+        'License :: OSI Approved :: MIT License',
+        'Operating System :: OS Independent',
+        'Programming Language :: Python',
+        'Programming Language :: Python :: 3',
+        'Programming Language :: Python :: 3.6',
+        'Programming Language :: Python :: 3.7',
+        'Programming Language :: Python :: 3.8',
+        'Topic :: Documentation',
+        'Topic :: Utilities',
+    ]
+
+packages = [
+    {include = "sphinxcontrib", from = "."}
+]
+
+[tool.poetry.dependencies]
+python = "^3.6"
+sphinxcontrib-plantuml = "*"
+matplotlib = [
+    { version = "^3.1.0", python = "^3.6" },
+] 
+sphinx-copybutton = "^0.3.0"
+sphinx = [
+    { version = ">2.2, <=3.0", python = "~3.6" },
+    { version = ">2.2", python = "^3.7" },
+]
+
+[tool.poetry.dev-dependencies]
+mypy = "^0.812"
+responses = "^0.12.1"
+nose = "^1.3.7"
+sphinx-testing = ">=1.0"
+sphinx-copybutton = "^0.3.1"
+flake8 = "^3.9.0"
+pep8-naming = "^0.11.1"
+
+[build-system]
+requires = ["poetry-core>=1.0.0"]
+build-backend = "poetry.core.masonry.api"
\ No newline at end of file
diff --git a/setup.py b/setup.py
deleted file mode 100644
index 698993089..000000000
--- a/setup.py
+++ /dev/null
@@ -1,49 +0,0 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-
-import os
-from setuptools import setup, find_packages
-
-requires = ['Sphinx<2;python_version<"3.5"',
-            'Sphinx<3;python_version<"3.6"',  # Needed as matplotlib can not deal with py35 and sphinx3
-            'Sphinx;python_version>="3.6"',
-            'six',
-            'matplotlib<=3.0.3.;python_version<"3.6"',  # last version with py3.5 support
-            'matplotlib;python_version>="3.6"',
-            'MarkupSafe<1.3.0.;python_version<"3.6"',
-            'Jinja2<=2.11.3.;python_version<"3.6"',
-            'm2r']
-
-setup(
-    name='sphinxcontrib-needs',
-    # If you raise, think about versions in conf.py and needs.py!!!
-    version='0.6.0',
-    url='http://github.com/useblocks/sphinxcontrib-needs',
-    download_url='http://pypi.python.org/pypi/sphinxcontrib-needs',
-    license='MIT',
-    author='team useblocks',
-    author_email='info@useblocks.com',
-    description='Sphinx needs extension for managing needs/requirements and specifications',
-    long_description=open(os.path.join(os.path.dirname(__file__), "README.rst")).read(),
-    zip_safe=False,
-    classifiers=[
-        'Development Status :: 5 - Production/Stable',
-        'Intended Audience :: Developers',
-        'License :: OSI Approved :: MIT License',
-        'Operating System :: OS Independent',
-        'Programming Language :: Python',
-        'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.5',
-        'Programming Language :: Python :: 3.6',
-        'Programming Language :: Python :: 3.7',
-        'Programming Language :: Python :: 3.8',
-        'Topic :: Documentation',
-        'Topic :: Utilities',
-    ],
-    platforms='any',
-    packages=find_packages(),
-    include_package_data=True,
-    install_requires=requires,
-    setup_requires=['wheel'],
-    namespace_packages=['sphinxcontrib'],
-)
diff --git a/sphinxcontrib/needs/api/configuration.py b/sphinxcontrib/needs/api/configuration.py
index f499b2c0d..587ba7305 100644
--- a/sphinxcontrib/needs/api/configuration.py
+++ b/sphinxcontrib/needs/api/configuration.py
@@ -5,7 +5,7 @@
 """
 from docutils.parsers.rst import directives
 
-from sphinxcontrib.needs.api.exceptions import NeedsNotLoadedException, NeedsApiConfigException, NeedsApiConfigWarning
+from sphinxcontrib.needs.api.exceptions import NeedsApiConfigException, NeedsApiConfigWarning
 from sphinxcontrib.needs.functions import register_func
 import sphinxcontrib.needs.directives.need
 from sphinx.application import Sphinx
diff --git a/sphinxcontrib/needs/directives/needfilter.py b/sphinxcontrib/needs/directives/needfilter.py
index 5c269bdac..5cc32819c 100644
--- a/sphinxcontrib/needs/directives/needfilter.py
+++ b/sphinxcontrib/needs/directives/needfilter.py
@@ -26,6 +26,7 @@ class NeedfilterDirective(FilterBase):
     .. deprecated:: 0.2.0
        Use needlist, needtable or needdiagram instead
     """
+    @staticmethod
     def layout(argument):
         return directives.choice(argument, ("list", "table", "diagram"))
 
diff --git a/sphinxcontrib/needs/directives/needflow.py b/sphinxcontrib/needs/directives/needflow.py
index a2647a06a..3a706fb7c 100644
--- a/sphinxcontrib/needs/directives/needflow.py
+++ b/sphinxcontrib/needs/directives/needflow.py
@@ -108,7 +108,7 @@ def split_link_types(link_types: str) -> Iterable[str]:
     def is_valid(link_type) -> bool:
         if len(link_type) == 0 or link_type.isspace():
             logger.warning('Scruffy link_type definition found in needflow {}. '
-                            'Defined link_type contains spaces only.'.format(id))
+                           'Defined link_type contains spaces only.'.format(id))
             return False
         return True
 
diff --git a/sphinxcontrib/needs/directives/needimport.py b/sphinxcontrib/needs/directives/needimport.py
index 6cc912481..5b8f60313 100644
--- a/sphinxcontrib/needs/directives/needimport.py
+++ b/sphinxcontrib/needs/directives/needimport.py
@@ -6,7 +6,6 @@
 from docutils import nodes
 from docutils.parsers.rst import directives
 from docutils.parsers.rst import Directive
-from jinja2 import Template
 
 from sphinxcontrib.needs.api import add_need
 from sphinxcontrib.needs.filter_common import filter_single_need
@@ -42,7 +41,6 @@ def run(self):
         version = self.options.get("version", None)
         filter_string = self.options.get("filter", None)
         id_prefix = self.options.get("id_prefix", "")
-        hide = True if "hide" in self.options.keys() else False
 
         tags = self.options.get("tags", [])
         if len(tags) > 0:
diff --git a/sphinxcontrib/needs/directives/needsequence.py b/sphinxcontrib/needs/directives/needsequence.py
index cfc18542a..33d22c094 100644
--- a/sphinxcontrib/needs/directives/needsequence.py
+++ b/sphinxcontrib/needs/directives/needsequence.py
@@ -145,9 +145,9 @@ def process_needsequence(app, doctree, fromdocname):
 
             # Add children of participants
             _msg_receiver_needs, p_string_new, c_string_new = get_message_needs(need,
-                                                                               current_needsequence['link_types'],
-                                                                               all_needs_dict,
-                                                                               filter=current_needsequence['filter'])
+                                                                                current_needsequence['link_types'],
+                                                                                all_needs_dict,
+                                                                                filter=current_needsequence['filter'])
             p_string += p_string_new
             c_string += c_string_new
 
diff --git a/sphinxcontrib/needs/layout.py b/sphinxcontrib/needs/layout.py
index c1649cf6e..738ec3f17 100644
--- a/sphinxcontrib/needs/layout.py
+++ b/sphinxcontrib/needs/layout.py
@@ -538,7 +538,7 @@ def meta_all(self, prefix='', postfix='', exclude=None, no_links=False, defaults
 
         Usage::
 
-            <<meta_all(prefix='\*\*', postix='\*\*', no_links=True)>>
+            <<meta_all(prefix='\\*\\*', postix='\\*\\*', no_links=True)>>
 
         .. note::
 
@@ -799,7 +799,7 @@ def link(self, url, text=None, image_url=None, image_height=None, image_width=No
             label_node += prefix_node
             data_container.append(label_node)
 
-        text = text = '' # May be needed if only image shall be shown
+        text = text = ''  # May be needed if only image shall be shown
 
         if is_dynamic:
             try:
diff --git a/sphinxcontrib/needs/services/manager.py b/sphinxcontrib/needs/services/manager.py
index 4a630e1ab..a2e0de382 100644
--- a/sphinxcontrib/needs/services/manager.py
+++ b/sphinxcontrib/needs/services/manager.py
@@ -17,7 +17,7 @@ def register(self, name, clazz, **kwargs):
             config = self.app.config.needs_services[name]
         except KeyError:
             self.log.debug('No service config found for {}. '
-                             'Add it in your conf.py to needs_services dictionary.'.format(name))
+                           'Add it in your conf.py to needs_services dictionary.'.format(name))
             config = {}
 
         # Register options from service class
diff --git a/sphinxcontrib/needs/utils.py b/sphinxcontrib/needs/utils.py
index 0bac2c1c9..8ca9714d5 100644
--- a/sphinxcontrib/needs/utils.py
+++ b/sphinxcontrib/needs/utils.py
@@ -25,7 +25,16 @@
                'September', 'October', 'November', 'December']
 
 
-def row_col_maker(app: Sphinx, fromdocname, all_needs, need_info, need_key, make_ref=False, ref_lookup=False, prefix=''):
+def row_col_maker(
+    app: Sphinx,
+    fromdocname,
+    all_needs,
+    need_info,
+    need_key,
+    make_ref=False,
+    ref_lookup=False,
+    prefix=''
+):
     """
     Creates and returns a column.
 
diff --git a/test-requirements.txt b/test-requirements.txt
deleted file mode 100644
index 4a1c948f2..000000000
--- a/test-requirements.txt
+++ /dev/null
@@ -1,10 +0,0 @@
-pytest
-pytest-flake8
-coverage
-python-coveralls
-tox
-nose
-sphinx_testing>=1.0
-sphinxcontrib-plantuml
-sphinx-copybutton
-responses
diff --git a/tests/__init__.py b/tests/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/tests/data/service_github.py b/tests/data/service_github.py
index 6ab5b7ca8..70072221d 100644
--- a/tests/data/service_github.py
+++ b/tests/data/service_github.py
@@ -3,459 +3,651 @@
 # Needed to avoid external service calls during tests
 
 # Response for a search api call
-GITHUB_ISSUE_SEARCH_ANSWER = {'total_count': 2, 'incomplete_results': False, 'items':
-    [{'url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/issues/141',
-      'repository_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs',
-      'labels_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/issues/141/labels{/name}',
-      'comments_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/issues/141/comments',
-      'events_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/issues/141/events',
-      'html_url': 'https://github.com/useblocks/sphinxcontrib-needs/issues/141', 'id': 586783574,
-      'node_id': 'MDU6SXNzdWU1ODY3ODM1NzQ=', 'number': 100,
-      'title': 'A node can only be in one page, else it will be cut when generate latexpdf ',
-      'user': {'login': 'sophiali2008', 'id': 62423175, 'node_id': 'MDQ6VXNlcjYyNDIzMTc1',
-               'avatar_url': 'https://avatars.githubusercontent.com/u/62423175?v=4', 'gravatar_id': '',
-               'url': 'https://api.github.com/users/sophiali2008', 'html_url': 'https://github.com/sophiali2008',
-               'followers_url': 'https://api.github.com/users/sophiali2008/followers',
-               'following_url': 'https://api.github.com/users/sophiali2008/following{/other_user}',
-               'gists_url': 'https://api.github.com/users/sophiali2008/gists{/gist_id}',
-               'starred_url': 'https://api.github.com/users/sophiali2008/starred{/owner}{/repo}',
-               'subscriptions_url': 'https://api.github.com/users/sophiali2008/subscriptions',
-               'organizations_url': 'https://api.github.com/users/sophiali2008/orgs',
-               'repos_url': 'https://api.github.com/users/sophiali2008/repos',
-               'events_url': 'https://api.github.com/users/sophiali2008/events{/privacy}',
-               'received_events_url': 'https://api.github.com/users/sophiali2008/received_events', 'type': 'User',
-               'site_admin': False}, 'labels': [{'id': 491973814, 'node_id': 'MDU6TGFiZWw0OTE5NzM4MTQ=',
-                                                 'url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/labels/bug',
-                                                 'name': 'bug', 'color': 'ee0701', 'default': True,
-                                                 'description': None}], 'state': 'open', 'locked': False,
-      'assignee': None, 'assignees': [],
-      'milestone': {'url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/milestones/6',
-                    'html_url': 'https://github.com/useblocks/sphinxcontrib-needs/milestone/6',
-                    'labels_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/milestones/6/labels',
-                    'id': 5182610, 'node_id': 'MDk6TWlsZXN0b25lNTE4MjYxMA==', 'number': 6, 'title': '0.5.5',
-                    'description': None, 'creator': {'login': 'danwos', 'id': 998700, 'node_id': 'MDQ6VXNlcjk5ODcwMA==',
-                                                     'avatar_url': 'https://avatars.githubusercontent.com/u/998700?v=4',
-                                                     'gravatar_id': '', 'url': 'https://api.github.com/users/danwos',
-                                                     'html_url': 'https://github.com/danwos',
-                                                     'followers_url': 'https://api.github.com/users/danwos/followers',
-                                                     'following_url': 'https://api.github.com/users/danwos/following{/other_user}',
-                                                     'gists_url': 'https://api.github.com/users/danwos/gists{/gist_id}',
-                                                     'starred_url': 'https://api.github.com/users/danwos/starred{/owner}{/repo}',
-                                                     'subscriptions_url': 'https://api.github.com/users/danwos/subscriptions',
-                                                     'organizations_url': 'https://api.github.com/users/danwos/orgs',
-                                                     'repos_url': 'https://api.github.com/users/danwos/repos',
-                                                     'events_url': 'https://api.github.com/users/danwos/events{/privacy}',
-                                                     'received_events_url': 'https://api.github.com/users/danwos/received_events',
-                                                     'type': 'User', 'site_admin': False}, 'open_issues': 2,
-                    'closed_issues': 0, 'state': 'open', 'created_at': '2020-03-09T13:53:46Z',
-                    'updated_at': '2020-03-24T08:50:03Z', 'due_on': None, 'closed_at': None}, 'comments': 3,
-      'created_at': '2020-03-24T08:30:43Z', 'updated_at': '2021-02-12T11:57:06Z', 'closed_at': None,
-      'author_association': 'NONE', 'active_lock_reason': None,
-      'body': 'Hello,\r\nI used the extension needs 0.5.3 in my project, it is perfectly fit in html. \r\nBut when I '
-              'generate latexpdf, the content is cut if it is more than one page. Is it possible to generate it like '
-              'a longtable which adjust the content in different continues pages ?',
-      'performed_via_github_app': None, 'score': 1.0}]}
+GITHUB_ISSUE_SEARCH_ANSWER = {
+    'total_count': 2,
+    'incomplete_results': False,
+    'items': [
+        {
+            'url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/issues/141',
+            'repository_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs',
+            'labels_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/issues/141/labels{/name}',
+            'comments_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/issues/141/comments',
+            'events_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/issues/141/events',
+            'html_url': 'https://github.com/useblocks/sphinxcontrib-needs/issues/141',
+            'id': 586783574,
+            'node_id': 'MDU6SXNzdWU1ODY3ODM1NzQ=',
+            'number': 100,
+            'title': 'A node can only be in one page, else it will be cut when generate latexpdf ',
+            'user': {
+                'login': 'sophiali2008',
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+                'node_id': 'MDQ6VXNlcjYyNDIzMTc1',
+                'avatar_url': 'https://avatars.githubusercontent.com/u/62423175?v=4',
+                'gravatar_id': '',
+                'url': 'https://api.github.com/users/sophiali2008',
+                'html_url': 'https://github.com/sophiali2008',
+                'followers_url': 'https://api.github.com/users/sophiali2008/followers',
+                'following_url': 'https://api.github.com/users/sophiali2008/following{/other_user}',
+                'gists_url': 'https://api.github.com/users/sophiali2008/gists{/gist_id}',
+                'starred_url': 'https://api.github.com/users/sophiali2008/starred{/owner}{/repo}',
+                'subscriptions_url': 'https://api.github.com/users/sophiali2008/subscriptions',
+                'organizations_url': 'https://api.github.com/users/sophiali2008/orgs',
+                'repos_url': 'https://api.github.com/users/sophiali2008/repos',
+                'events_url': 'https://api.github.com/users/sophiali2008/events{/privacy}',
+                'received_events_url': 'https://api.github.com/users/sophiali2008/received_events',
+                'type': 'User',
+                'site_admin': False,
+            },
+            'labels': [
+                {
+                    'id': 491973814,
+                    'node_id': 'MDU6TGFiZWw0OTE5NzM4MTQ=',
+                    'url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/labels/bug',
+                    'name': 'bug',
+                    'color': 'ee0701',
+                    'default': True,
+                    'description': None,
+                }
+            ],
+            'state': 'open',
+            'locked': False,
+            'assignee': None,
+            'assignees': [],
+            'milestone': {
+                'url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/milestones/6',
+                'html_url': 'https://github.com/useblocks/sphinxcontrib-needs/milestone/6',
+                'labels_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/milestones/6/labels',
+                'id': 5182610,
+                'node_id': 'MDk6TWlsZXN0b25lNTE4MjYxMA==',
+                'number': 6,
+                'title': '0.5.5',
+                'description': None,
+                'creator': {
+                    'login': 'danwos',
+                    'id': 998700,
+                    'node_id': 'MDQ6VXNlcjk5ODcwMA==',
+                    'avatar_url': 'https://avatars.githubusercontent.com/u/998700?v=4',
+                    'gravatar_id': '',
+                    'url': 'https://api.github.com/users/danwos',
+                    'html_url': 'https://github.com/danwos',
+                    'followers_url': 'https://api.github.com/users/danwos/followers',
+                    'following_url': 'https://api.github.com/users/danwos/following{/other_user}',
+                    'gists_url': 'https://api.github.com/users/danwos/gists{/gist_id}',
+                    'starred_url': 'https://api.github.com/users/danwos/starred{/owner}{/repo}',
+                    'subscriptions_url': 'https://api.github.com/users/danwos/subscriptions',
+                    'organizations_url': 'https://api.github.com/users/danwos/orgs',
+                    'repos_url': 'https://api.github.com/users/danwos/repos',
+                    'events_url': 'https://api.github.com/users/danwos/events{/privacy}',
+                    'received_events_url': 'https://api.github.com/users/danwos/received_events',
+                    'type': 'User',
+                    'site_admin': False,
+                },
+                'open_issues': 2,
+                'closed_issues': 0,
+                'state': 'open',
+                'created_at': '2020-03-09T13:53:46Z',
+                'updated_at': '2020-03-24T08:50:03Z',
+                'due_on': None,
+                'closed_at': None,
+            },
+            'comments': 3,
+            'created_at': '2020-03-24T08:30:43Z',
+            'updated_at': '2021-02-12T11:57:06Z',
+            'closed_at': None,
+            'author_association': 'NONE',
+            'active_lock_reason': None,
+            'body': 'Hello,\r\nI used the extension needs 0.5.3 in my project, it is perfectly fit in html. \r\nBut when I '
+            'generate latexpdf, the content is cut if it is more than one page. Is it possible to generate it like '
+            'a longtable which adjust the content in different continues pages ?',
+            'performed_via_github_app': None,
+            'score': 1.0,
+        }
+    ],
+}
 
 # Response of a specific element from github api
 GITHUB_SPECIFIC_ISSUE_ANSWER = {
     'url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/issues/141',
     'repository_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs',
     'labels_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/issues/'
-                  '141/labels{/name}',
+    '141/labels{/name}',
     'comments_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/issues/141/comments',
     'events_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/issues/141/events',
-    'html_url': 'https://github.com/useblocks/sphinxcontrib-needs/issues/141', 'id': 586783574,
-    'node_id': 'MDU6SXNzdWU1ODY3ODM1NzQ=', 'number': 340,
+    'html_url': 'https://github.com/useblocks/sphinxcontrib-needs/issues/141',
+    'id': 586783574,
+    'node_id': 'MDU6SXNzdWU1ODY3ODM1NzQ=',
+    'number': 340,
     'title': 'A node can only be in one page, else it will be cut when generate latexpdf ',
-    'user': {'login': 'sophiali2008', 'id': 62423175, 'node_id': 'MDQ6VXNlcjYyNDIzMTc1',
-             'avatar_url': 'https://avatars.githubusercontent.com/u/62423175?v=4', 'gravatar_id': '',
-             'url': 'https://api.github.com/users/sophiali2008', 'html_url': 'https://github.com/sophiali2008',
-             'followers_url': 'https://api.github.com/users/sophiali2008/followers',
-             'following_url': 'https://api.github.com/users/sophiali2008/following{/other_user}',
-             'gists_url': 'https://api.github.com/users/sophiali2008/gists{/gist_id}',
-             'starred_url': 'https://api.github.com/users/sophiali2008/starred{/owner}{/repo}',
-             'subscriptions_url': 'https://api.github.com/users/sophiali2008/subscriptions',
-             'organizations_url': 'https://api.github.com/users/sophiali2008/orgs',
-             'repos_url': 'https://api.github.com/users/sophiali2008/repos',
-             'events_url': 'https://api.github.com/users/sophiali2008/events{/privacy}',
-             'received_events_url': 'https://api.github.com/users/sophiali2008/received_events', 'type': 'User',
-             'site_admin': False}, 'labels': [{'id': 491973814, 'node_id': 'MDU6TGFiZWw0OTE5NzM4MTQ=',
-                                               'url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs'
-                                                      '/labels/bug',
-                                               'name': 'bug', 'color': 'ee0701', 'default': True, 'description': None}],
-    'state': 'open', 'locked': False, 'assignee': None, 'assignees': [],
-    'milestone': {'url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/milestones/6',
-                  'html_url': 'https://github.com/useblocks/sphinxcontrib-needs/milestone/6',
-                  'labels_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/milestones/6/labels',
-                  'id': 5182610, 'node_id': 'MDk6TWlsZXN0b25lNTE4MjYxMA==', 'number': 6, 'title': '0.5.5',
-                  'description': None, 'creator': {'login': 'danwos', 'id': 998700, 'node_id': 'MDQ6VXNlcjk5ODcwMA==',
-                                                   'avatar_url': 'https://avatars.githubusercontent.com/u/998700?v=4',
-                                                   'gravatar_id': '', 'url': 'https://api.github.com/users/danwos',
-                                                   'html_url': 'https://github.com/danwos',
-                                                   'followers_url': 'https://api.github.com/users/danwos/followers',
-                                                   'following_url': 'https://api.github.com/users/danwos/following{/other_user}',
-                                                   'gists_url': 'https://api.github.com/users/danwos/gists{/gist_id}',
-                                                   'starred_url': 'https://api.github.com/users/danwos/starred{/owner}{/repo}',
-                                                   'subscriptions_url': 'https://api.github.com/users/danwos/subscriptions',
-                                                   'organizations_url': 'https://api.github.com/users/danwos/orgs',
-                                                   'repos_url': 'https://api.github.com/users/danwos/repos',
-                                                   'events_url': 'https://api.github.com/users/danwos/events{/privacy}',
-                                                   'received_events_url': 'https://api.github.com/users/danwos/received_events',
-                                                   'type': 'User', 'site_admin': False}, 'open_issues': 2,
-                  'closed_issues': 0, 'state': 'open', 'created_at': '2020-03-09T13:53:46Z',
-                  'updated_at': '2020-03-24T08:50:03Z', 'due_on': None, 'closed_at': None}, 'comments': 3,
-    'created_at': '2020-03-24T08:30:43Z', 'updated_at': '2021-02-12T11:57:06Z', 'closed_at': None,
-    'author_association': 'NONE', 'active_lock_reason': None,
+    'user': {
+        'login': 'sophiali2008',
+        'id': 62423175,
+        'node_id': 'MDQ6VXNlcjYyNDIzMTc1',
+        'avatar_url': 'https://avatars.githubusercontent.com/u/62423175?v=4',
+        'gravatar_id': '',
+        'url': 'https://api.github.com/users/sophiali2008',
+        'html_url': 'https://github.com/sophiali2008',
+        'followers_url': 'https://api.github.com/users/sophiali2008/followers',
+        'following_url': 'https://api.github.com/users/sophiali2008/following{/other_user}',
+        'gists_url': 'https://api.github.com/users/sophiali2008/gists{/gist_id}',
+        'starred_url': 'https://api.github.com/users/sophiali2008/starred{/owner}{/repo}',
+        'subscriptions_url': 'https://api.github.com/users/sophiali2008/subscriptions',
+        'organizations_url': 'https://api.github.com/users/sophiali2008/orgs',
+        'repos_url': 'https://api.github.com/users/sophiali2008/repos',
+        'events_url': 'https://api.github.com/users/sophiali2008/events{/privacy}',
+        'received_events_url': 'https://api.github.com/users/sophiali2008/received_events',
+        'type': 'User',
+        'site_admin': False,
+    },
+    'labels': [
+        {
+            'id': 491973814,
+            'node_id': 'MDU6TGFiZWw0OTE5NzM4MTQ=',
+            'url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs'
+            '/labels/bug',
+            'name': 'bug',
+            'color': 'ee0701',
+            'default': True,
+            'description': None,
+        }
+    ],
+    'state': 'open',
+    'locked': False,
+    'assignee': None,
+    'assignees': [],
+    'milestone': {
+        'url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/milestones/6',
+        'html_url': 'https://github.com/useblocks/sphinxcontrib-needs/milestone/6',
+        'labels_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/milestones/6/labels',
+        'id': 5182610,
+        'node_id': 'MDk6TWlsZXN0b25lNTE4MjYxMA==',
+        'number': 6,
+        'title': '0.5.5',
+        'description': None,
+        'creator': {
+            'login': 'danwos',
+            'id': 998700,
+            'node_id': 'MDQ6VXNlcjk5ODcwMA==',
+            'avatar_url': 'https://avatars.githubusercontent.com/u/998700?v=4',
+            'gravatar_id': '',
+            'url': 'https://api.github.com/users/danwos',
+            'html_url': 'https://github.com/danwos',
+            'followers_url': 'https://api.github.com/users/danwos/followers',
+            'following_url': 'https://api.github.com/users/danwos/following{/other_user}',
+            'gists_url': 'https://api.github.com/users/danwos/gists{/gist_id}',
+            'starred_url': 'https://api.github.com/users/danwos/starred{/owner}{/repo}',
+            'subscriptions_url': 'https://api.github.com/users/danwos/subscriptions',
+            'organizations_url': 'https://api.github.com/users/danwos/orgs',
+            'repos_url': 'https://api.github.com/users/danwos/repos',
+            'events_url': 'https://api.github.com/users/danwos/events{/privacy}',
+            'received_events_url': 'https://api.github.com/users/danwos/received_events',
+            'type': 'User',
+            'site_admin': False,
+        },
+        'open_issues': 2,
+        'closed_issues': 0,
+        'state': 'open',
+        'created_at': '2020-03-09T13:53:46Z',
+        'updated_at': '2020-03-24T08:50:03Z',
+        'due_on': None,
+        'closed_at': None,
+    },
+    'comments': 3,
+    'created_at': '2020-03-24T08:30:43Z',
+    'updated_at': '2021-02-12T11:57:06Z',
+    'closed_at': None,
+    'author_association': 'NONE',
+    'active_lock_reason': None,
     'body': 'Hello,\r\nI used the extension needs 0.5.3 in my project, it is perfectly fit in html. \r\nBut when I '
-            'generate latexpdf, the content is cut if it is more than one page. Is it possible to generate it like a '
-            'longtable which adjust the content in different continues pages ?',
-    'performed_via_github_app': None, 'score': 1.0}
+    'generate latexpdf, the content is cut if it is more than one page. Is it possible to generate it like a '
+    'longtable which adjust the content in different continues pages ?',
+    'performed_via_github_app': None,
+    'score': 1.0,
+}
 
 GITHUB_SPECIFIC_COMMIT_ANSWER = {
     'url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/commits'
-           '/dc14807f0b247e758bbcbef289 '
-           '53444f18b503e3', 'sha': 'dc14807f0b247e758bbcbef28953444f18b503e3',
+    '/dc14807f0b247e758bbcbef289 '
+    '53444f18b503e3',
+    'sha': 'dc14807f0b247e758bbcbef28953444f18b503e3',
     'node_id': 'MDY6Q29tbWl0NzUyMjU5NDk6ZGMxNDgwN2YwYjI0N2U3NThiYmNiZWYyODk1MzQ0NGYxOGI1MDNlMw==',
     'html_url': 'https://github.com/useblocks/sphinxcontrib-needs/commit/dc14807f0b247e758bbcbef28953444f18b503e3',
     'comments_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/commits'
-                    '/dc14807f0b247e758bbcbef28953444f18b503e3/comments',
+    '/dc14807f0b247e758bbcbef28953444f18b503e3/comments',
     'commit': {
         'url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/git/commits'
-               '/dc14807f0b247e758bbcbef28953444f18b503e3',
-        'author': {'date': '2021-01-06T06:33:48.000+01:00', 'name': 'Daniel Woste',
-                   'email': 'daniel.woste@useblocks.com'},
-        'committer': {'date': '2021-01-06T06:47:45.000+01:00', 'name': 'Daniel Woste',
-                      'email': 'daniel.woste@useblocks.com'}, 'message': 'string format fix to support python 3.5',
+        '/dc14807f0b247e758bbcbef28953444f18b503e3',
+        'author': {
+            'date': '2021-01-06T06:33:48.000+01:00',
+            'name': 'Daniel Woste',
+            'email': 'daniel.woste@useblocks.com',
+        },
+        'committer': {
+            'date': '2021-01-06T06:47:45.000+01:00',
+            'name': 'Daniel Woste',
+            'email': 'daniel.woste@useblocks.com',
+        },
+        'message': 'string format fix to support python 3.5',
         'tree': {
             'url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/git/trees'
-                   '/5bf05fc659dd7f2481e5e90ffca5015ee25e047a',
-            'sha': '5bf05fc659dd7f2481e5e90ffca5015ee25e047a'}, 'comment_count': 0},
-    'author': {'login': 'danwos', 'id': 998700, 'node_id': 'MDQ6VXNlcjk5ODcwMA==',
-               'avatar_url': 'https://avatars.githubusercontent.com/u/998700?v=4', 'gravatar_id': '',
-               'url': 'https://api.github.com/users/danwos', 'html_url': 'https://github.com/danwos',
-               'followers_url': 'https://api.github.com/users/danwos/followers',
-               'following_url': 'https://api.github.com/users/danwos/following{/other_user}',
-               'gists_url': 'https://api.github.com/users/danwos/gists{/gist_id}',
-               'starred_url': 'https://api.github.com/users/danwos/starred{/owner}{/repo}',
-               'subscriptions_url': 'https://api.github.com/users/danwos/subscriptions',
-               'organizations_url': 'https://api.github.com/users/danwos/orgs',
-               'repos_url': 'https://api.github.com/users/danwos/repos',
-               'events_url': 'https://api.github.com/users/danwos/events{/privacy}',
-               'received_events_url': 'https://api.github.com/users/danwos/received_events', 'type': 'User',
-               'site_admin': False},
-    'committer': {'login': 'danwos', 'id': 998700, 'node_id': 'MDQ6VXNlcjk5ODcwMA==',
-                  'avatar_url': 'https://avatars.githubusercontent.com/u/998700?v=4', 'gravatar_id': '',
-                  'url': 'https://api.github.com/users/danwos', 'html_url': 'https://github.com/danwos',
-                  'followers_url': 'https://api.github.com/users/danwos/followers',
-                  'following_url': 'https://api.github.com/users/danwos/following{/other_user}',
-                  'gists_url': 'https://api.github.com/users/danwos/gists{/gist_id}',
-                  'starred_url': 'https://api.github.com/users/danwos/starred{/owner}{/repo}',
-                  'subscriptions_url': 'https://api.github.com/users/danwos/subscriptions',
-                  'organizations_url': 'https://api.github.com/users/danwos/orgs',
-                  'repos_url': 'https://api.github.com/users/danwos/repos',
-                  'events_url': 'https://api.github.com/users/danwos/events{/privacy}',
-                  'received_events_url': 'https://api.github.com/users/danwos/received_events', 'type': 'User',
-                  'site_admin': False}, 'parents': [{
-        'url': 'https://api.github.com/repos/useblocks'
-               '/sphinxcontrib-needs/commits'
-               '/beec7bec42035e3cad09c8400397fa7c828cdd91',
-        'html_url': 'https://github.com/useblocks/sphinxcontrib'
-                    '-needs/commit'
-                    '/beec7bec42035e3cad09c8400397fa7c828cdd91',
-        'sha': 'beec7bec42035e3cad09c8400397fa7c828cdd91'}],
-    'repository': {'id': 75225949, 'node_id': 'MDEwOlJlcG9zaXRvcnk3NTIyNTk0OQ==', 'name': 'sphinxcontrib-needs',
-                   'full_name': 'useblocks/sphinxcontrib-needs', 'private': False,
-                   'owner': {'login': 'useblocks', 'id': 998587, 'node_id': 'MDEyOk9yZ2FuaXphdGlvbjk5ODU4Nw==',
-                             'avatar_url': 'https://avatars.githubusercontent.com/u/998587?v=4', 'gravatar_id': '',
-                             'url': 'https://api.github.com/users/useblocks',
-                             'html_url': 'https://github.com/useblocks',
-                             'followers_url': 'https://api.github.com/users/useblocks/followers',
-                             'following_url': 'https://api.github.com/users/useblocks/following{/other_user}',
-                             'gists_url': 'https://api.github.com/users/useblocks/gists{/gist_id}',
-                             'starred_url': 'https://api.github.com/users/useblocks/starred{/owner}{/repo}',
-                             'subscriptions_url': 'https://api.github.com/users/useblocks/subscriptions',
-                             'organizations_url': 'https://api.github.com/users/useblocks/orgs',
-                             'repos_url': 'https://api.github.com/users/useblocks/repos',
-                             'events_url': 'https://api.github.com/users/useblocks/events{/privacy}',
-                             'received_events_url': 'https://api.github.com/users/useblocks/received_events',
-                             'type': 'Organization', 'site_admin': False},
-                   'html_url': 'https://github.com/useblocks/sphinxcontrib-needs',
-                   'description': 'Adds needs/requirements to sphinx', 'fork': False,
-                   'url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs',
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+                'repos_url': 'https://api.github.com/users/danwos/repos',
+                'events_url': 'https://api.github.com/users/danwos/events{/privacy}',
+                'received_events_url': 'https://api.github.com/users/danwos/received_events',
+                'type': 'User',
+                'site_admin': False,
+            },
+            'committer': {
+                'login': 'danwos',
+                'id': 998700,
+                'node_id': 'MDQ6VXNlcjk5ODcwMA==',
+                'avatar_url': 'https://avatars.githubusercontent.com/u/998700?v=4',
+                'gravatar_id': '',
+                'url': 'https://api.github.com/users/danwos',
+                'html_url': 'https://github.com/danwos',
+                'followers_url': 'https://api.github.com/users/danwos/followers',
+                'following_url': 'https://api.github.com/users/danwos/following{/other_user}',
+                'gists_url': 'https://api.github.com/users/danwos/gists{/gist_id}',
+                'starred_url': 'https://api.github.com/users/danwos/starred{/owner}{/repo}',
+                'subscriptions_url': 'https://api.github.com/users/danwos/subscriptions',
+                'organizations_url': 'https://api.github.com/users/danwos/orgs',
+                'repos_url': 'https://api.github.com/users/danwos/repos',
+                'events_url': 'https://api.github.com/users/danwos/events{/privacy}',
+                'received_events_url': 'https://api.github.com/users/danwos/received_events',
+                'type': 'User',
+                'site_admin': False,
+            },
+            'parents': [
+                {
+                    'url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/commits/add7f346e42921f779d2181b95ae2c7aea3d6546',
+                    'html_url': 'https://github.com/useblocks/sphinxcontrib-needs/commit/add7f346e42921f779d2181b95ae2c7aea3d6546',
+                    'sha': 'add7f346e42921f779d2181b95ae2c7aea3d6546',
+                }
+            ],
+            'repository': {
+                'id': 75225949,
+                'node_id': 'MDEwOlJlcG9zaXRvcnk3NTIyNTk0OQ==',
+                'name': 'sphinxcontrib-needs',
+                'full_name': 'useblocks/sphinxcontrib-needs',
+                'private': False,
+                'owner': {
+                    'login': 'useblocks',
+                    'id': 998587,
+                    'node_id': 'MDEyOk9yZ2FuaXphdGlvbjk5ODU4Nw==',
+                    'avatar_url': 'https://avatars.githubusercontent.com/u/998587?v=4',
+                    'gravatar_id': '',
+                    'url': 'https://api.github.com/users/useblocks',
+                    'html_url': 'https://github.com/useblocks',
+                    'followers_url': 'https://api.github.com/users/useblocks/followers',
+                    'following_url': 'https://api.github.com/users/useblocks/following{/other_user}',
+                    'gists_url': 'https://api.github.com/users/useblocks/gists{/gist_id}',
+                    'starred_url': 'https://api.github.com/users/useblocks/starred{/owner}{/repo}',
+                    'subscriptions_url': 'https://api.github.com/users/useblocks/subscriptions',
+                    'organizations_url': 'https://api.github.com/users/useblocks/orgs',
+                    'repos_url': 'https://api.github.com/users/useblocks/repos',
+                    'events_url': 'https://api.github.com/users/useblocks/events{/privacy}',
+                    'received_events_url': 'https://api.github.com/users/useblocks/received_events',
+                    'type': 'Organization',
+                    'site_admin': False,
+                },
+                'html_url': 'https://github.com/useblocks/sphinxcontrib-needs',
+                'description': 'Adds needs/requirements to sphinx',
+                'fork': False,
+                'url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs',
+                'forks_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/forks',
+                'keys_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/keys{/key_id}',
+                'collaborators_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/collaborators{/collaborator}',
+                'teams_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/teams',
+                'hooks_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/hooks',
+                'issue_events_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/issues/events{/number}',
+                'events_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/events',
+                'assignees_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/assignees{/user}',
+                'branches_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/branches{/branch}',
+                'tags_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/tags',
+                'blobs_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/git/blobs{/sha}',
+                'git_tags_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/git/tags{/sha}',
+                'git_refs_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/git/refs{/sha}',
+                'trees_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/git/trees{/sha}',
+                'statuses_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/statuses/{sha}',
+                'languages_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/languages',
+                'stargazers_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/stargazers',
+                'contributors_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/contributors',
+                'subscribers_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/subscribers',
+                'subscription_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/subscription',
+                'commits_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/commits{/sha}',
+                'git_commits_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/git/commits{/sha}',
+                'comments_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/comments{/number}',
+                'issue_comment_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/issues/comments{/number}',
+                'contents_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/contents/{+path}',
+                'compare_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/compare/{base}...{head}',
+                'merges_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/merges',
+                'archive_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/{archive_format}{/ref}',
+                'downloads_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/downloads',
+                'issues_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/issues{/number}',
+                'pulls_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/pulls{/number}',
+                'milestones_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/milestones{/number}',
+                'notifications_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/notifications{?since,all,participating}',
+                'labels_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/labels{/name}',
+                'releases_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/releases{/id}',
+                'deployments_url': 'https://api.github.com/repos/useblocks/sphinxcontrib-needs/deployments',
+            },
+            'score': 1.0,
+        },
+    ],
+}
diff --git a/tests/test_broken_links.py b/tests/test_broken_links.py
index 844661b35..3a0a66a32 100644
--- a/tests/test_broken_links.py
+++ b/tests/test_broken_links.py
@@ -13,7 +13,6 @@ def test_doc_build_html(app, status, warning):
 
     app.build()
     sys.stderr.flush()
-    out = sys.stderr.getvalue()
     try:
         # Need to put is inside a try except statement, as the tests throws following error using tox:
         # AttributeError: 'Tee' object has no attribute 'close'
diff --git a/tox.ini b/tox.ini
deleted file mode 100644
index c54f5c619..000000000
--- a/tox.ini
+++ /dev/null
@@ -1,33 +0,0 @@
-[tox]
-envlist = py{35,37,38}-sphinx{22,23,24,30}
-
-[testenv]
-passenv = TRAVIS TRAVIS_JOB_ID TRAVIS_BRANCH GITHUB_USERNAME GITHUB_TOKEN
-deps=
-    -rtest-requirements.txt
-    sphinx22: Sphinx>=2.2,<2.3d
-    sphinx23: Sphinx>=2.3,<2.4
-    sphinx24: Sphinx>=2.4,<2.5
-    sphinx30: Sphinx>=3.0,<3.1
-
-
-commands=
-    nosetests -v --with-xunit --xunit-file={envlogdir}/nose-{envname}.xml -w tests {posargs}
-
-usedevelop=True
-
-
-[testenv:flake8]
-commands=
-    py.test --ignore=tests --flake8 --junitxml {envlogdir}/pytest-{envname}.xml
-
-usedevelop=True
-
-
-[pytest]
-flake8-max-line-length=120
-flake8-ignore=
-    *.py W605 W503 W504
-    defaults.py
-    _build/* ALL
-    functions.py F401