Update mccabe to 0.7.0

[pyup-bot]

This PR updates mccabe from 0.6.1 to 0.7.0.

Changelog

0.7.0

* Drop support for all versions of Python lower than 3.6

* Add support for Python 3.8, 3.9, and 3.10

* Fix option declaration for Flake8

Links

• PyPI: https://pypi.org/project/mccabe
• Changelog: https://pyup.io/changelogs/mccabe/
• Repo: https://github.com/pycqa/mccabe

[codecov-commenter]

Codecov Report

Merging #94 (3fc4e69) into master (2a82501) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #94   +/-   ##
=======================================
  Coverage   30.00%   30.00%           
=======================================
  Files           3        3           
  Lines          10       10           
=======================================
  Hits            3        3           
  Misses          7        7           

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