docs: def keep_types_s(s, types):
          """
          Keep the given types from a string
  
          Same as :meth:`keep_types` but does not use the :attr:`params`
          dictionary
  
          Parameters
          ----------
          s: str
              The string of the returns like section
          types: list of str
              The type identifiers to keep
  
          Returns
          -------
          str
              The modified string `s` with only the descriptions of `types`
          """
          patt = '|'.join('(?<=\n)' + s + '\n(?s).+?\n(?=\S+|$)' for s in types)
          return ''.join(re.findall(patt, '\n' + s.strip() + '\n')).rstrip()