# Testing
coverage==4.5.2                  # Test coverage
flake8==3.7.4                    # Python linting
mypy==0.650                      # Static typing

# Testing
coverage==4.5.2                  # Test coverage
flake8==3.7.4                    # Python linting
mypy==0.660                      # Static typing

Update mypy package to 0.660
Update mypy package to 0.660
