Update agent.py

agent.py

@@ -21,7 +21,7 @@ class BasicAgent():
         search_tool = DuckDuckGoSearchRun()
         vision_llm = ChatOpenAI(model="gpt-4o")
         self.tools = [extract_text, describe_image, search_tool]
-        self.chat_with_tools = chat.bind_tools(self.tools)
+        self.chat_with_tools = vision_llm.bind_tools(self.tools)
         self._initialize_graph()
         print("BasicAgent initialized.")