-r requirements.txt
flake8==3.7.8
pytest==5.0.1
pytest-cov==2.7.1
pytest-django==3.5.1

-r requirements.txt
flake8==3.7.8
pytest==5.1.0
pytest-cov==2.7.1
pytest-django==3.5.1

Update pytest from 5.0.1 to 5.1.0
Update pytest from 5.0.1 to 5.1.0