-r requirements.txt
isort==4.3.4
pytest==3.10.1
pytest-env==0.6.2
pytest-mock==1.10.0
pytest-cov==2.6.0
pytest-xdist==1.25.0
coveralls==1.5.1
beautifulsoup4==4.7.0
freezegun==0.3.11
flake8==3.6.0
flake8-print==3.1.0
requests-mock==1.5.2

-r requirements.txt
isort==4.3.4
pytest==3.10.1
pytest-env==0.6.2
pytest-mock==1.10.0
pytest-cov==2.6.1
pytest-xdist==1.25.0
coveralls==1.5.1
beautifulsoup4==4.7.0
freezegun==0.3.11
flake8==3.6.0
flake8-print==3.1.0
requests-mock==1.5.2

Update pytest-cov from 2.6.0 to 2.6.1
Update pytest-cov from 2.6.0 to 2.6.1