def create_stream(self, stream_name, shard_count, region):
        if self.streams in stream_name:
           raise ResourceInUseError(stream_name)
        stream = Stream(stream_name, shard_count, region)
        self.streams[stream_name] = stream
        return stream
dataset/ETHPy150Open spulec/moto/moto/kinesis/models.py/KinesisBackend.create_stream/swapped operands of `in`