Pin flake8-bugbear to latest version 21.4.3

[pyup-bot]

This PR pins flake8-bugbear to the latest release 21.4.3.

Changelog

21.4.3

Verify the element in item_context.args is of type ast.Name for b017

21.4.2

- Add another hasattr() check to b017 visit for .func

21.4.1

Happy April Fools! This is no joke, it's a real release.

- Add B017: check for gotta-catch-em-all assertRaises(Exception)

Catching them all is bad!

21.3.2

- Fix crash on tuple expansion in try/except block (161)

21.3.1

- Fix grammar in B015 (150)
- Make sure float infinity/NaN does not trigger B008 (155)
- Handle positional-only args in class methods (158)

20.11.1

- Support exception aliases properly in B014 (129)
- Add B015: Pointless comparison (130)
- Remove check for  noqa comments (134)
- Ignore exception classes which are not types (135)
- Introduce B016 to check for raising a literal. (141)
- Exclude types.MappingProxyType() from B008. (144)

20.1.4

- Ignore keywords for B009/B010

20.1.3

- Silence B009/B010 for non-identifiers
- State an ignore might be needed for optional B9x checks

20.1.2

Refer to README.rst for changes.

20.1.1

Refer to README.rst for changes.

20.1.0

Refer to README.md for changes.

19.8.0

Refer to README.md for changes.

19.3.0

Refer to README.md for changes.

Links

• PyPI: https://pypi.org/project/flake8-bugbear
• Changelog: https://pyup.io/changelogs/flake8-bugbear/
• Repo: https://github.com/PyCQA/flake8-bugbear