Bump pyflakes from 2.3.0 to 2.3.1 (#216)
Bump pyflakes from 2.3.0 to 2.3.1 (#216)

Bumps [pyflakes](https://github.com/PyCQA/pyflakes) from 2.3.0 to 2.3.1.
- [Release notes](https://github.com/PyCQA/pyflakes/releases)
- [Changelog](https://github.com/PyCQA/pyflakes/blob/master/NEWS.rst)
- [Commits](https://github.com/PyCQA/pyflakes/compare/2.3.0...2.3.1)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>

Co-authored-by: dependabot[bot] <1c358da00a777d4e9898c1280ab801e2df165188@users.noreply.github.com>
srittau/rouver