refactor for requests without payload

Author: treethought

flask_assistant/core.py

@@ -378,10 +378,12 @@ def _flask_assitant_view_func(self, nlp_result=None, *args, **kwargs):
 
 
         original_request = self.request.get("originalDetectIntentRequest")
-
-
-        if original_request and original_request["payload"].get("user"):
-            self.user = original_request["payload"]["user"]
+        
+        if original_request:
+            payload = original_request.get('payload')
+            if payload and payload.get('user'):
+                self.user = original_request["payload"]["user"]
+            
 
         # Get access token from request
         if original_request and original_request.get("user"):