[pre-commit.ci] pre-commit autoupdate

[pre-commit-ci]

updates:

• https://gitlab.com/pycqa/flake8 → https://github.com/PyCQA/flake8
• github.com/executablebooks/mdformat: 0.7.9 → 0.7.10

[CLAassistant]

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[codecov]

Codecov Report

Merging #191 (eed16fa) into master (9c33894) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #191   +/-   ##
=======================================
  Coverage   96.48%   96.48%           
=======================================
  Files          10       10           
  Lines         598      598           
=======================================
  Hits          577      577           
  Misses         21       21           

Flag	Coverage Δ
unittests	96.48% <ø> (ø)

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[zhiqwang]

LGTM!