# Testing
coverage==4.5.2                  # Test coverage
flake8==3.7.7                    # Python linting
mock==2.0.0                      # Test mocks
typing==3.6.6                    # Type hints

# Testing
coverage==4.5.3                  # Test coverage
flake8==3.7.7                    # Python linting
mock==2.0.0                      # Test mocks
typing==3.6.6                    # Type hints

Update flake8 package to 4.5.3
Update flake8 package to 4.5.3
