fix sql

diary-training.py

@@ -20,7 +20,7 @@ click_device_id = con_sql(sql)[0].values.tolist()
 print("成功获取点击表里的device_id")
 
 # 获取点击表里的数据
-sql = "select cid,device_id,time from data_feed_click where where stat_date = '2018-07-30'"
+sql = "select cid,device_id,time from data_feed_click where stat_date = '2018-07-30'"
 click = con_sql(sql)
 click = click.rename(columns={0:"cid",1:"device_id",2:"time"})
 print("成功获取点击表里的数据")