Update app.py

app.py

@@ -2,7 +2,12 @@ from llama_index import VectorStoreIndex,SimpleDirectoryReader,ServiceContext
 from llama_index.llms import HuggingFaceLLM
 from llama_index.prompts.prompts import SimpleInputPrompt
 import os
+from dotenv import load_dotenv
 from huggingface_hub import login
+load_dotenv()
+
+# Get the environment variables
+HF_TOKEN = os.getenv('HUGGING_FACE_TOKEN')
 
 documents=SimpleDirectoryReader("/state-of-the-unioon.txt").load_data()
 system_prompt="""