-r requirements.txt

coverage==4.5.1
flaky==3.4.0
isort==4.3.4
mock==2.0.0
prospector==0.12.7
pyflakes==1.6.0
pytest==3.4.2
pylint==1.7.2
tox==2.9.1

-r requirements.txt

coverage==4.5.1
flaky==3.4.0
isort==4.3.4
mock==2.0.0
prospector==0.12.7
pyflakes==1.6.0
pytest==3.4.2
pylint==1.8.3
tox==2.9.1

Update pylint from 1.7.2 to 1.8.3
Update pylint from 1.7.2 to 1.8.3