code: def _parse_mods(mods):
      '''
      Parse modules.
      '''
      if isinstance(mods, six.string_types):
          mods = [item.strip() for item in mods.split(',') if item.strip()]
  
      return modf _parse_mods(mods):
      '''
      Parse modules.
      '''
      if isinstance(mods, six.string_types):
          mods = [item.strip() for item in mods.split(',') if item.strip()]
  
      return mods
docs: Parse modules.