Update app.py

app.py

@@ -1,7 +1,7 @@
 import os 
 import gradio as gr
 
-from langchain.chat_agents import ChatOpenAI
+from langchain.chat_models import ChatOpenAI
 from langchain.agents import load_tools, initialize_agent
 from langchain.agents import AgentType
 from langchain.tools import AIPluginTool
@@ -12,7 +12,7 @@ def run(prompt, plugin_json, openai_api_key):
     llm = ChatOpenAI(temperature=0, max_tokens=1000)
     tools = load_tools(["requests_all"])
     tools += [tool]
-    agent_chain = initialize_agent(tools, llm, agent=AgentType.ZERO_SHOT_REACT_DESCRIPTION, verbose=False, reduce_k_below_max_tokens=True)
+    agent_chain = initialize_agent(tools, llm, agent=AgentType.ZERO_SHOT_REACT_DESCRIPTION, verbose=False, max_tokens_limit=4097)
     return agent_chain.run(prompt)
 
 title="""