<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def publish_scene_config(self, scene_id, config):
 """publish a changed scene configuration"""

        self.sequence_number += 1
        self.publisher.send_multipart(msgs.MessageBuilder.scene_config(self.sequence_number, scene_id, config))
        return self.sequence_number