def _param_to_list(self):
        """
        Convert parameters defined in `self._param` to list

        :return None
        """
        for item in self._params:
            self.__dict__[item] = list(self.__dict__[item])
def _param_to_list ( self ) : for item in self . _params : self . __dict__ [ item ] = list ( self . __dict__ [ item ] )
Convert parameters defined in `self._param` to list

        :return None