def remove_tags_from_stream(self, stream_name, tag_keys):
        stream =  self.describe_stream(stream_name)
        for key in tag_keys:
            if key in stream.tags:
               del stream.tags[key]
dataset/ETHPy150Open spulec/moto/moto/kinesis/models.py/KinesisBackend.remove_tags_from_stream/original