Fix lint issues

Author: adamtheturtle

admin/release.py

@@ -96,6 +96,9 @@ def get_repo(github_token: str, github_owner: str) -> Repository:
 
 
 def main() -> None:
+    """
+    Perform a release.
+    """
     github_token = os.environ['GITHUB_TOKEN']
     github_owner = os.environ['GITHUB_OWNER']
     repository = get_repo(github_token=github_token, github_owner=github_owner)

dev-requirements.txt

@@ -3,6 +3,7 @@ autoflake==1.2
 check-manifest==0.37
 codecov==2.0.15 # Upload coverage data
 dodgy==0.1.9  # Look for uploaded secrets
+dulwich==0.19.6
 flake8==3.5.0  # Lint
 flake8-commas==2.0.0  # Require silicon valley commas
 flake8-quotes==1.0.0  # Require single quotes
@@ -13,6 +14,7 @@ mypy==0.620  # Type checking
 pip_check_reqs==2.0.3
 pydocstyle==2.1.1  # Lint docstrings
 pyenchant==2.0.0  # Bindings for a spellchecking sytem
+pygithub==1.43
 pylint==2.1.1  # Lint
 pyroma==2.4  # Packaging best practices checker
 pytest-cov==2.6.0  # Measure code coverage