-r requirements.txt

pytest==4.1.0
pytest-cov==2.6.1
pytest-mock==1.10.0
codecov==2.0.15
coverage==4.5.2

-r requirements.txt

pytest==4.1.1
pytest-cov==2.6.1
pytest-mock==1.10.0
codecov==2.0.15
coverage==4.5.2

Update pytest from 4.1.0 to 4.1.1
Update pytest from 4.1.0 to 4.1.1