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/vector/test_shared_memory.py

@@ -65,8 +65,7 @@ def test_create_shared_memory(space, expected_type, n, ctx):
             # Assert the length of the array
             assert len(lhs[:]) == n * len(rhs[:])
             # Assert the data type
-            assert type(lhs[0]) == type(rhs[0])  # noqa: E721
-
+            assert isinstance(lhs[0], type(rhs[0]))
         else:
             raise TypeError(f"Got unknown type `{type(lhs)}`.")
 
@@ -83,7 +82,7 @@ def test_create_shared_memory(space, expected_type, n, ctx):
 def test_create_shared_memory_custom_space(n, ctx, space):
     ctx = mp if (ctx is None) else mp.get_context(ctx)
     with pytest.raises(CustomSpaceError):
-        shared_memory = create_shared_memory(space, n=n, ctx=ctx)
+        create_shared_memory(space, n=n, ctx=ctx)
 
 
 @pytest.mark.parametrize(