[pre-commit.ci] pre-commit autoupdate

[pre-commit-ci]

updates:

• github.com/PyCQA/flake8: 4.0.1 → 5.0.2

[codecov]

Codecov Report

Merging #246 (ea6748f) into main (e9a6f42) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #246   +/-   ##
=======================================
  Coverage   95.59%   95.59%           
=======================================
  Files          10       10           
  Lines        3634     3634           
  Branches      773      773           
=======================================
  Hits         3474     3474           
  Misses        109      109           
  Partials       51       51           

Flag	Coverage Δ
unittests	95.59% <ø> (ø)

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