modify function fetch_user_profile return

predictDiary.py

@@ -80,9 +80,9 @@ def predict_save_to_redis(user_profile, instance):
     add_data_to_redis(device_id,cid_list)
 
 def router(device_id):
-    user_profile, is_exist = fetch_user_profile(device_id)
+    user_profile, not_exist = fetch_user_profile(device_id)
 
-    if is_exist:
+    if not_exist:
         print('Sorry, we don\'t have you.')
     else:
         predict(user_profile)

userProfile.py

@@ -33,4 +33,4 @@ def fetch_user_profile(device_id):
         user_profile_dict = {}
         for i in user_profile.columns:
             user_profile_dict[i] = user_profile.loc[0, i]
-        return user_profile_dict, not user_profile.empty
+        return user_profile_dict, user_profile.empty