Additional checks on response in enum_ads

handler/sources/local.py

@@ -259,6 +259,8 @@ class Local(util.Base):
         ads_total = []
         if not ads["success"]:
             return False
+        if not ads["response"]:
+            return False
         for ad in ads["response"]["data"]["ad_list"]:
             if self.platform == "agora":
                 asset = ad["data"]["asset"]