code: def set_pubsub_push_handler(self, pubsub_push_handler_func):
      self.pubsub_push_handler_func = pubsub_push_handler_func
  
imports: from logging import getLogger
  from typing import Any, Union
  from ..exceptions import ConnectionError, InvalidResponse, ResponseError
  from ..typing import EncodableT
  from .base import _AsyncRESPBase, _RESPBase
  from .socket import SERVER_CLOSED_CONNECTION_ERROR
label_desc: Use image node_id 3 for calling the _AsyncRESP3Parser obj's underlying member method code with example usage: obj.set_pubsub_push_handler(pubsub_push_handler_func) without return types