Update agent.py

agent.py

@@ -19,7 +19,7 @@ class BasicAgent():
         
         vision_llm = ChatOpenAI(model="gpt-4o")
         self.tools = [extract_text, describe_image, wiki_search, web_search, arxiv_search]
-        self.chat_with_tools = vision_llm.bind_tools(self.tools) # need to change
+        self.chat_with_tools = chat.bind_tools(self.tools) # need to change
         self._initialize_graph()
         print("BasicAgent initialized.")