-r requirements.txt
coveralls==3.0.1
pytest==6.2.3
pytest-cov==2.11.1
flake8==3.9.1

-r requirements.txt
coveralls==3.0.1
pytest==6.2.3
pytest-cov==2.12.1
flake8==3.9.1

Update pytest-cov from 2.11.1 to 2.12.1
Update pytest-cov from 2.11.1 to 2.12.1