code: def headers(self):
          ''' An instance of :class:`HeaderDict`, a case-insensitive dict-like
              view on the response headers. '''
          self.__dict__['headers'] = hdict = HeaderDict()
          hdict.dict = self._headers
          return hdicf headers(self):
          ''' An instance of :class:`HeaderDict`, a case-insensitive dict-like
              view on the response headers. '''
          self.__dict__['headers'] = hdict = HeaderDict()
          hdict.dict = self._headers
          return hdict
docs: An instance of :class:`HeaderDict`, a case-insensitive dict-like
              view on the response headers.