Update app.py

app.py

@@ -54,8 +54,8 @@ def google_search_query(question):
         # question = "" if question is None else str(question)
         # question = question.strip()
 
-        # if question is None:
-        #     return "Please type a question above 👆", ""
+        if question is None:
+            return "Please type a question above 👆", ""
 
         google_search_tool = Tool(google_search=GoogleSearch())