Update the flake8 pre-commit ignores (#2778)

* 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

tests/spaces/test_spaces.py

@@ -569,20 +569,20 @@ def test_infinite_space(space):
     # but floats are unbounded for infinite
     if np.any(space.high != 0):
         assert (
-            space.is_bounded("above") == False
+            space.is_bounded("above") is False
         ), "inf upper bound supposed to be unbounded"
     else:
         assert (
-            space.is_bounded("above") == True
+            space.is_bounded("above") is True
         ), "non-inf upper bound supposed to be bounded"
 
     if np.any(space.low != 0):
         assert (
-            space.is_bounded("below") == False
+            space.is_bounded("below") is False
         ), "inf lower bound supposed to be unbounded"
     else:
         assert (
-            space.is_bounded("below") == True
+            space.is_bounded("below") is True
         ), "non-inf lower bound supposed to be bounded"
 
     # check for dtype