-r requirements.txt
flake8==3.7.9
pytest==5.4.2
pytest-cov==2.8.1
pytest-django==3.8.0

-r requirements.txt
flake8==3.8.1
pytest==5.4.2
pytest-cov==2.8.1
pytest-django==3.8.0

Update flake8 from 3.7.9 to 3.8.1
Update flake8 from 3.7.9 to 3.8.1