-r requirements.txt
flake8==3.7.7
pytest==4.5.0
pytest-cov==2.7.1
pytest-django==3.4.8

-r requirements.txt
flake8==3.7.7
pytest==4.6.0
pytest-cov==2.7.1
pytest-django==3.4.8

Update pytest from 4.5.0 to 4.6.0
Update pytest from 4.5.0 to 4.6.0