def extend(self, elems, trigger_iters=None):
        """ Extend elems to dynamic list
            Optinally specify what dynops iterables should trigger this instance
            this is useful when having (key, iter) tuples for Collect
        """
        _log.debug((self.__str__(), elems) % "%s.extend(%s)")
        if not self._final:
            self.list.extend(elems)
            # Potentially an interable
            self.trigger_add(trigger_iters if trigger_iters else elems)
            self.trig()
dataset/ETHPy150Open EricssonResearch/calvin-base/calvin/utilities/dynops.py/List.extend/swapped operands of `%`