Update agent.py

agent.py

@@ -21,7 +21,7 @@ class BasicAgent():
         search_tool = DuckDuckGoSearchRun()
         vision_llm = ChatOpenAI(model="gpt-4o")
         self.tools = [extract_text,search_tool]
-        chat_with_tools = chat.bind_tools(self.tools)
+        self.chat_with_tools = chat.bind_tools(self.tools)
         self._initialize_graph()
         print("BasicAgent initialized.")
 
@@ -55,7 +55,7 @@ class BasicAgent():
         
         """
         return {
-            "messages": [chat_with_tools.invoke(prompt + state["messages"])],
+            "messages": [self.chat_with_tools.invoke(prompt + state["messages"])],
         }