code: def module_help(self, module):
      
      helplist = []
      self._render_our_module_key_flags(module, helplist)
      return '\n'.join(helplist)
docs: Describes the key flags of a module.
  
      Args:
        module: module|str, the module to describe the key flags for.
  
      Returns:
        str, describing the key flags of a module.