-r requirements.txt
pytest==5.0.0
pytest-mock==1.10.4
pytest-cov==2.7.1
pytest-xdist==1.29.0
requests-mock==1.6.0
freezegun==0.3.12
flake8==3.7.7
flake8-print==3.1.0

-r requirements.txt
pytest==5.0.0
pytest-mock==1.10.4
pytest-cov==2.7.1
pytest-xdist==1.29.0
requests-mock==1.6.0
freezegun==0.3.12
flake8==3.7.8
flake8-print==3.1.0

Update flake8 from 3.7.7 to 3.7.8
Update flake8 from 3.7.7 to 3.7.8