code: def _handle_load(cls, handler, file_object, validate=False, **kwargs):
      
  
      return from_dict(cls, handler.load(cls, file_object, **kwargs), validate=validate)
docs: Loads caller, used by partial method for dynamic handler assignments.
  
      :param object handler: The loads handler
      :param file file_object: The file object to load from
      :param bool validate: Performs content validation before loading,
          defaults to False, optional
      :return: The loaded instance
      :rtype: object