Update app.py

app.py

@@ -28,10 +28,12 @@ from collections import defaultdict
 from pytube import YouTube
 import wikipediaapi
 from langchain.agents import initialize_agent, Tool
-from langchain.llms import HuggingFaceHub
-from langchain.tools import PythonREPL
 
 
+
+from langchain_community.llms import HuggingFaceHub
+from langchain_community.tools import PythonREPL
+
 # (Keep Constants as is)
 # --- Constants ---
 DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"