Update agent.py

agent.py

@@ -20,8 +20,8 @@ class BasicAgent():
         
         search_tool = DuckDuckGoSearchRun()
         vision_llm = ChatOpenAI(model="gpt-4o")
-
-        chat_with_tools = chat.bind_tools([extract_text,search_tool])
+        self.tools = [extract_text,search_tool]
+        chat_with_tools = chat.bind_tools(self.tools)
         self._initialize_graph()
         print("BasicAgent initialized.")