-r requirements.txt
pytest==3.2.3
pytest-mock==1.6.3
pytest-cov==2.5.1
requests-mock==1.3.0
freezegun==0.3.9
flake8==3.4.1

-r requirements.txt
pytest==3.2.3
pytest-mock==1.6.3
pytest-cov==2.5.1
requests-mock==1.3.0
freezegun==0.3.9
flake8==3.5.0

Update flake8 from 3.4.1 to 3.5.0
Update flake8 from 3.4.1 to 3.5.0