code: def regression():
      
      # HACK: Start using hitchbuildpy to get around this.
      Command("touch", DIR.project.joinpath("pathquery", "__init__.py").abspath()).run()
      storybook = _storybook({}).only_uninherited()
      #storybook.with_params(**{"python version": "2.7.10"})\
               #.ordered_by_name().play()
      Command("touch", DIR.project.joinpath("pathquery", "__init__.py").abspath()).run()
      storybook.with_params(**{"python version": "3.5.0"}).ordered_by_name().play()
      lint()
docs: Run regression testing - lint and then run all tests.