[pre-commit.ci] pre-commit autoupdate

[pre-commit-ci[bot]]

updates:

• https://gitlab.com/pycqa/flake8 → https://github.com/PyCQA/flake8
• github.com/PyCQA/flake8: 3.9.0 → 4.0.1
• https://github.com/timothycrosley/isort → https://github.com/PyCQA/isort
• github.com/PyCQA/isort: 5.8.0 → 5.10.1
• github.com/pre-commit/pre-commit-hooks: v3.4.0 → v4.1.0

[codecov[bot]]

Codecov Report

Merging #84 (dbbfc6b) into main (ead502a) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##             main      #84   +/-   ##
=======================================
  Coverage   91.52%   91.52%           
=======================================
  Files           4        4           
  Lines         425      425           
=======================================
  Hits          389      389           
  Misses         36       36           

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