[pre-commit.ci] pre-commit autoupdate

[pre-commit-ci]

updates:

• github.com/psf/black: 21.9b0 → 21.10b0

[codecov]

Codecov Report

Merging #442 (870f7f1) into master (43d5c66) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #442   +/-   ##
=======================================
  Coverage   90.78%   90.78%           
=======================================
  Files          16       16           
  Lines        1878     1878           
=======================================
  Hits         1705     1705           
  Misses        173      173           

Flag	Coverage Δ
pytests	90.78% <ø> (ø)

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