debugging

app.py

@@ -17,9 +17,17 @@ class GaiaAgent:
     def __call__(self, question: str) -> str:
         print("Received question:", question)
         state = {"question": question, "answer": ""}
-        final_state = graph.invoke(state)
-        answer = final_state.get("answer", "No answer generated.")
-        return answer
+        try:
+            result = graph.invoke(state)
+            print("Result type:", type(result))
+            print("Result value:", result)
+            if isinstance(result, dict):
+                return result.get("answer", "No answer generated.")
+            else:
+                return f"Unexpected output from graph: {result}"
+        except Exception as e:
+            return f"ERROR invoking graph: {e}"
+
 
 # Async runner
 async def run_agent(profile: gr.OAuthProfile | None):