change test file

monitor.py

@@ -68,7 +68,7 @@ def write_redis(device_id,cid_list):
         cursor = db.cursor()
         cursor.execute(sql)
         result = cursor.fetchall()
-        tags = list(set([i[0] for i in result]))
+        tags = result[0][0]
         return tags
         if len(tags) != 0:
             sql = "select a.id from src_mimas_prod_api_diary a left join src_mimas_prod_api_diary_tags b " \