Update app.py

app.py

@@ -4,8 +4,9 @@ import requests
 import inspect
 import pandas as pd
 from smolagents import CodeAgent, DuckDuckGoSearchTool, HfApiModel, OpenAIServerModel
-from llama_index.core import VectorStoreIndex, SimpleDirectoryReader, ServiceContext
-from llama_index.llms.openai import OpenAI
+from llama_index import VectorStoreIndex, SimpleDirectoryReader, ServiceContext
+from llama_index.llms import OpenAI
+from llama_index.settings import Settings
 
 
 # (Keep Constants as is)