# messages 리스트의 메시지를 전송함
response = messaging.send_all(messages)
db.collection(u'push_message').add(message)
sleep(1)
message_list = [] # message_list 초기화
logger.info('{0} messages were sent successfully'.format(
response.success_count))
print('{0} messages were sent successfully'.format(
response.success_count))