def _recv_open_ok(self, method_frame):
        self.channel._notify_open_listeners()
Validate subclass of passed value on supported type and set him for
dataset/ETHPy150Open agoragames/haigha/haigha/classes/channel_class.py/ChannelClass._recv_open_ok--crossover with--dataset/ETHPy150Open Relrin/aiorest-ws/aiorest_ws/validators.py/check_and_set_subclass