# Testing
coverage==4.5.3                  # Test coverage
flake8==3.7.8                    # Python linting
mypy==0.711                      # Type checking

# Testing
coverage==4.5.3                  # Test coverage
flake8==3.7.8                    # Python linting
mypy==0.720                      # Type checking

Update mypy package to 0.720
Update mypy package to 0.720
