flake8==3.7.9
coverage==5.1
pytest-cov==2.8.1

flake8==3.8.1
coverage==5.1
pytest-cov==2.8.1

Bump flake8 from 3.7.9 to 3.8.1
Bump flake8 from 3.7.9 to 3.8.1

Bumps [flake8](https://gitlab.com/pycqa/flake8) from 3.7.9 to 3.8.1.
- [Release notes](https://gitlab.com/pycqa/flake8/tags)
- [Commits](https://gitlab.com/pycqa/flake8/compare/3.7.9...3.8.1)

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