Update app.py

app.py

@@ -376,7 +376,7 @@ from langchain_core.prompts import ChatPromptTemplate, MessagesPlaceholder
 from langchain.agents import tool
 from langchain.agents.format_scratchpad.openai_tools import format_to_openai_tool_messages
 from langchain.agents.output_parsers.openai_tools import OpenAIToolsAgentOutputParser
-from langchain.llms import OpenAI
+from langchain_community.llms import OpenAI
 from langchain.agents import AgentExecutor
 
 # Define the tools
@@ -392,7 +392,7 @@ prompt = ChatPromptTemplate.from_messages(
 )
 
 # Define the LLM
-llm_with_tools = OpenAI(model="gpt-3.5-turbo")
+llm_with_tools = OpenAI(model="gpt-4o")
 
 # Create the agent
 agent = (