Fix CI/CD issues: linting errors and test file corruption

.gitignore

@@ -1,8 +1,12 @@
-# Python
+# Byte-compiled / optimized / DLL files
 __pycache__/
 *.py[cod]
 *$py.class
+
+# C extensions
 *.so
+
+# Distribution / packaging
 .Python
 build/
 develop-eggs/
@@ -16,27 +20,108 @@ parts/
 sdist/
 var/
 wheels/
+share/python-wheels/
 *.egg-info/
 .installed.cfg
 *.egg
 MANIFEST
 
-# Virtual Environment
-venv/
-env/
-ENV/
+# PyInstaller
+*.manifest
+*.spec
 
-# IDE
-.vscode/
-.idea/
-*.swp
-*.swo
-*~
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
 
-# Coverage
-.coverage
+# Unit test / coverage reports
 htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+coverage.*
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+.python-version
+
+# pipenv
+Pipfile.lock
+
+# poetry
+poetry.lock
+
+# PEP 582
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
 
 # mypy
 .mypy_cache/
-.pytest_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/