-r requirements.txt
flake8==3.0.4
mccabe==0.5.2
py==1.4.34
pycodestyle==2.0.0
pyflakes==1.3.0
pytest==3.0.3
pytest-cov==2.4.0

-r requirements.txt
flake8==3.0.4
mccabe==0.6.1
py==1.4.34
pycodestyle==2.0.0
pyflakes==1.3.0
pytest==3.0.3
pytest-cov==2.4.0

Update mccabe from 0.5.2 to 0.6.1
Update mccabe from 0.5.2 to 0.6.1