-r requirements.txt
flake8==3.8.4
pytest==6.1.1
pytest-cov==2.10.1
pytest-django==3.10.0

-r requirements.txt
flake8==3.8.4
pytest==6.1.1
pytest-cov==2.10.1
pytest-django==4.0.0

Update pytest-django from 3.10.0 to 4.0.0
Update pytest-django from 3.10.0 to 4.0.0