graph test

app.py

@@ -81,6 +81,7 @@ class BasicAgent:
         self.graph.add_node("web_search", self.web_search)
         self.graph.add_node("decide", self.decide)
         self.graph.add_node("final_answer", self.final_answer)
+        self.graph.add_node("exceeded_attempts", self.exceeded_attempts)
 
         self.graph.add_edge(START, "log_question")
         self.graph.add_edge("log_question", "invoke_model")