* Remove additional ignores from flake8
* Remove all unused imports
* Remove all unused imports
* Update flake8 and pyupgrade
* F841, removed unused variables
* E731, removed lambda assignment to variables
* Remove E731, F403, F405, F524
* Remove E722, bare exceptions
* Remove E712, compare variable == True or == False to is True or is False
* Remove E402, module level import not at top of file
* Added --pre-file-ignores
* Add --per-file-ignores removing E741, E302 and E704
* Add E741, do not use variables named ‘l’, ‘O’, or ‘I’ to ignore issues in classic control
* Fixed issues for pytest==6.2
* Remove unnecessary # noqa
* Edit comment with the removal of E302
* Added warnings and declared module, attr for pyright type hinting
* Remove unused import
* Removed flake8 E302
* Updated flake8 from 3.9.2 to 4.0.1
* Remove unused variable
* Move tests to root with automatic PyCharm import refactoring. This will likely fail some tests
* Changed entry point for a registration test env.
* Move a stray lunar_lander test to tests/envs/...
* black
* Change the version from which importlib_metadata is replaced with importlib.metadata. Also requiring installing importlib_metadata for python 3.8 now.
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* Undo last commit