-r requirements.txt
flake8==3.6.0
pytest==4.1.1
pytest-cov==2.6.0
pytest-django==3.4.5

-r requirements.txt
flake8==3.6.0
pytest==4.1.1
pytest-cov==2.6.1
pytest-django==3.4.5

Update pytest-cov from 2.6.0 to 2.6.1
Update pytest-cov from 2.6.0 to 2.6.1