old_contents: from docutils.core import Publisher
  from docutils.parsers.rst.roles import code_role
  
  
  # Monkey patch docutils to give short css names
  # credit: http://stackoverflow.com/a/21766874/832573
  def process_programmatic_settings(self, settings_spec,
                                    settings_overrides,
                                    config_section):
      if self.settings is None:
          defaults = (settings_overrides or {}).copy()
          defaults.setdefault('traceback', True)
          defaults.setdefault('syntax_highlight', 'short')
          self.get_settings(settings_spec=settings_spec,
                            config_section=config_section,
                            **defaults)
  
  Publisher.process_programmatic_settings = process_programmatic_settings
  
  
  def python_role(role, rawtext, text, lineno,
                  inliner, options={}, content=[]):
      options = {'language': 'python'}
      return code_role(role, rawtext, text, lineno,
                       inliner, options=options, content=content)
  
  
  def setup(app):
      app.add_role('python', python_role)
      app.add_role('py', python_role)
  
new_contents: from docutils.core import Publisher
  from docutils.parsers.rst.roles import code_role
  
  
  # Monkey patch docutils to give short css names
  # credit: http://stackoverflow.com/a/21766874/832573
  def process_programmatic_settings(self, settings_spec,
                                    settings_overrides,
                                    config_section):
      if self.settings is None:
          defaults = (settings_overrides or {}).copy()
          defaults.setdefault('traceback', True)
          defaults.setdefault('syntax_highlight', 'short')
          self.get_settings(settings_spec=settings_spec,
                            config_section=config_section,
                            **defaults)
  
  
  Publisher.process_programmatic_settings = process_programmatic_settings
  
  
  def python_role(role, rawtext, text, lineno,
                  inliner, options={}, content=[]):
      options = {'language': 'python'}
      return code_role(role, rawtext, text, lineno,
                       inliner, options=options, content=content)
  
  
  def setup(app):
      app.add_role('python', python_role)
      app.add_role('py', python_role)
  
subject: Fix old PEP8 violation