Update linting tools and fix code style

[yakky]

Linting packages have been released with updated rules, bump versions in tox/pre-commit and update code style accordingly

References

Fix #34

Checklist

• [x] Code lint checked via inv lint
• [ ] Tests added

[coveralls]

Pull Request Test Coverage Report for Build 1375425688

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 92.549%

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Totals
Change from base Build 1375331442:	0.0%
Covered Lines:	189
Relevant Lines:	201

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💛 - Coveralls

[yakky]

wrong branch name