redis/asyncio/client.py [1120:1153]:
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        if response is None:
            return None
        if isinstance(response, bytes):
            response = [b"pong", response] if response != b"PONG" else [b"pong", b""]
        message_type = str_if_bytes(response[0])
        if message_type == "pmessage":
            message = {
                "type": message_type,
                "pattern": response[1],
                "channel": response[2],
                "data": response[3],
            }
        elif message_type == "pong":
            message = {
                "type": message_type,
                "pattern": None,
                "channel": None,
                "data": response[1],
            }
        else:
            message = {
                "type": message_type,
                "pattern": None,
                "channel": response[1],
                "data": response[2],
            }

        # if this is an unsubscribe message, remove it from memory
        if message_type in self.UNSUBSCRIBE_MESSAGE_TYPES:
            if message_type == "punsubscribe":
                pattern = response[1]
                if pattern in self.pending_unsubscribe_patterns:
                    self.pending_unsubscribe_patterns.remove(pattern)
                    self.patterns.pop(pattern, None)
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redis/client.py [1146:1179]:
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        if response is None:
            return None
        if isinstance(response, bytes):
            response = [b"pong", response] if response != b"PONG" else [b"pong", b""]
        message_type = str_if_bytes(response[0])
        if message_type == "pmessage":
            message = {
                "type": message_type,
                "pattern": response[1],
                "channel": response[2],
                "data": response[3],
            }
        elif message_type == "pong":
            message = {
                "type": message_type,
                "pattern": None,
                "channel": None,
                "data": response[1],
            }
        else:
            message = {
                "type": message_type,
                "pattern": None,
                "channel": response[1],
                "data": response[2],
            }

        # if this is an unsubscribe message, remove it from memory
        if message_type in self.UNSUBSCRIBE_MESSAGE_TYPES:
            if message_type == "punsubscribe":
                pattern = response[1]
                if pattern in self.pending_unsubscribe_patterns:
                    self.pending_unsubscribe_patterns.remove(pattern)
                    self.patterns.pop(pattern, None)
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