Fix CI

.github/workflows/ci-build.yml

@@ -141,6 +141,11 @@ jobs:
       - name: Create search_api_mapping.json
         run: cp datagateway_api/search_api_mapping.json.example datagateway_api/search_api_mapping.json
 
+
+      # See comment in noxfile.py for explanation regarding this step
+      - name: Downgrade setuptools
+        run: pip install --upgrade setuptools==70.0.0
+        if: matrix.python-version == '3.8' || matrix.python-version == '3.9' || matrix.python-version == '3.10'
       - name: Install dependencies
         run: poetry install
 
@@ -287,6 +292,10 @@ jobs:
       - name: Install Requests
         run: pip install 'requests<2.30'
 
+
+      # See comment in noxfile.py for explanation regarding this step
+      - name: Downgrade setuptools
+        run: pip install --upgrade setuptools==70.0.0
       - name: Install dependencies
         run: poetry install
 
@@ -342,6 +351,10 @@ jobs:
       - name: Create search_api_mapping.json
         run: cd /home/runner/work/datagateway-api/datagateway-api; cp datagateway_api/search_api_mapping.json.example datagateway_api/search_api_mapping.json
 
+
+      # See comment in noxfile.py for explanation regarding this step
+      - name: Downgrade setuptools
+        run: pip install --upgrade setuptools==70.0.0
       - name: Install dependencies
         run: poetry install
 

noxfile.py

@@ -203,7 +203,9 @@ def unit_tests(session):
     # A cleaner fix would be to upgrade the packaging library to 22.0+ (as per
     # https://github.com/pypa/setuptools/issues/4483#issuecomment-2236339726) but this
     # cannot be done on this repo until support for Python 3.6 is dropped
-    session.run("pip", "install", "--upgrade", "setuptools==70.0.0")
+    if session.python in ["3.8", "3.9", "3.10"]:
+        session.run("pip", "install", "--upgrade", "setuptools==70.0.0")
+
     session.run("poetry", "install", external=True)
     session.run("pytest", "test/unit", *args)
 
@@ -213,6 +215,8 @@ def integration_tests(session):
     args = session.posargs
     # Explicit downgrade of setuptools also performed here. See explanation in
     # `unit_tests()`
-    session.run("pip", "install", "--upgrade", "setuptools==70.0.0")
+    if session.python in ["3.8", "3.9", "3.10"]:
+        session.run("pip", "install", "--upgrade", "setuptools==70.0.0")
+
     session.run("poetry", "install", external=True)
     session.run("pytest", "test/integration", *args)