recover con_sql argument

utils.py

@@ -10,7 +10,7 @@ import redis
 
 # 从Tidb数据库的表里获取数据，并转化成df格式
 def con_sql(sql):
-    db = pymysql.connect(host='10.66.157.22', port=4000, user='root', passwd='3SYz54LS9#^9sBvC', db='jerry_test',client_flag=1)
+    db = pymysql.connect(host='10.66.157.22', port=4000, user='root', passwd='3SYz54LS9#^9sBvC', db='jerry_test')
     cursor = db.cursor()
     cursor.execute(sql)
     result = cursor.fetchall()