Update app.py

app.py

@@ -4,9 +4,11 @@ import requests
 import inspect
 import pandas as pd
 from smolagents import CodeAgent, DuckDuckGoSearchTool, HfApiModel, OpenAIServerModel
-from llama_index import VectorStoreIndex, SimpleDirectoryReader, ServiceContext
-from llama_index.llms import OpenAI
-from llama_index.settings import Settings
+from llama_index import (
+    ServiceContext,
+    SimpleDirectoryReader,
+    VectorStoreIndex
+)
 import os
 
 class BasicAgent: