coverage==4.4.1
jedi==0.10.2
mypy==0.520
pylint==1.7.2
pytest==3.1.3
pytest-cov==2.5.1
sphinx==1.6.3
sphinx-rtd-theme==0.2.4
tox==2.7.0

coverage==4.4.1
jedi==0.10.2
mypy==0.521
pylint==1.7.2
pytest==3.1.3
pytest-cov==2.5.1
sphinx==1.6.3
sphinx-rtd-theme==0.2.4
tox==2.7.0

Update mypy from 0.520 to 0.521
Update mypy from 0.520 to 0.521