code: def load_from_stream(self, stream, container, **kwargs):
          
          return self.load_from_string(stream.read(), container, **kwargs)
docs: Load config from given stream 'stream'.
  
          :param stream: Config file or file-like object
          :param container: callble to make a container object later
          :param kwargs: optional keyword parameters to be sanitized :: dict
  
          :return: Dict-like object holding config parameters