Update app.py

app.py

@@ -47,7 +47,8 @@ class BasicAgent:
         ]        
         self.llm = ChatOpenAI(model="gpt-4o-mini")
         self.llm_with_tools = self.llm.bind_tools(self.tools)
-        self.google_llm = ChatGoogleGenerativeAI(model='gemini-2.0-flash-lite')    
+        self.google_llm = ChatGoogleGenerativeAI(model='gemini-2.0-flash-lite')   
+        self.graph = self.create_graph()
 
     def __call__(self, task_id: str, question: str, file_name: str = None, local_file_name: str = None) -> str:
         print(f"Agent received question (first 50 chars): {question[:50]}...")