-r requirements.txt
coveralls==2.2.0
pytest==6.2.1
pytest-cov==2.10.1
flake8==3.8.4

-r requirements.txt
coveralls==3.0.0
pytest==6.2.1
pytest-cov==2.10.1
flake8==3.8.4

Update coveralls from 2.2.0 to 3.0.0
Update coveralls from 2.2.0 to 3.0.0