remove unused import and add name to authors and add importer to sources

Signed-off-by: Tushar912 <tushar.912u@gmail.com>

remove single quote at end of url

Signed-off-by: Tushar912 <tushar.912u@gmail.com>

Author: tushar912

AUTHORS.rst

@@ -10,4 +10,5 @@ The following organizations or individuals have contributed to this repo:
 - Ayush Lohani @lohani2280
 - Islam Elhakmi @EslamHiko
 - Edoardo Lanzini @elanzini
-- Navonil Das @NavonilDas
+- Navonil Das @NavonilDas
+- Tushar Upadhyay @tushar912

SOURCES.rst

@@ -43,3 +43,5 @@
 +----------------+------------------------------------------------------------------------------------------------------+----------------------------------------------------+
 |postgresql      | https://www.postgresql.org/support/security/                                                         |postgresql                                          |
 +----------------+------------------------------------------------------------------------------------------------------+----------------------------------------------------+
+|elixir_security | https://github.com/dependabot/elixir-security-advisories                                             |hex packages                                        |
++----------------+------------------------------------------------------------------------------------------------------+----------------------------------------------------+

vulnerabilities/importers/elixir_security.py

@@ -28,7 +28,6 @@
 from packageurl import PackageURL
 
 from vulnerabilities.data_source import GitDataSource
-from vulnerabilities.data_source import GitDataSourceConfiguration
 from vulnerabilities.data_source import Advisory
 from vulnerabilities.data_source import Reference
 from vulnerabilities.package_managers import HexVersionAPI
@@ -107,7 +106,7 @@ def process_file(self, path):
             yaml_file["unaffected_versions"] = []
 
         safe_pkg_versions, vuln_pkg_versions = self.get_versions_for_pkg_from_range_list(
-            yaml_file.get("patched_versions") + yaml_file.get("unaffected_versions"),
+            yaml_file["patched_versions"] + yaml_file["unaffected_versions"],
             pkg_name,
         )