Update app.py

app.py

@@ -5,12 +5,17 @@ from chromadb.config import Settings
 from chromadb.utils import embedding_functions
 from sentence_transformers import SentenceTransformer
 import os
+from huggingface_hub import login
 
+# Retrieve the API token from the environment variable
 api_token = os.getenv("HF_TOKEN")
 
 # Log in using the token
 login(api_token)
 
+
+
+
 # Load the Llama model using Hugging Face Transformers
 tokenizer = AutoTokenizer.from_pretrained("meta-llama/Llama-2-7b-chat-hf")
 model = AutoModelForCausalLM.from_pretrained("meta-llama/Llama-2-7b-chat-hf")