Update app.py

app.py

@@ -36,7 +36,7 @@ Your answer should only start with "FINAL ANSWER: ", then follows with the answe
         HumanMessage(
             content=question
         )]
-        messages = self.graph.invoke({"messages": messages}, {"recursion_limit": 50)
+        messages = self.graph.invoke({"messages": messages}, {"recursion_limit": 50})
         answer = messages['messages'][-1].content
         stripped_answer = answer.split('FINAL ANSWER: ')[1]
         return stripped_answer