Update app.py

app.py

@@ -5,6 +5,12 @@ from chromadb.config import Settings
 from chromadb.utils import embedding_functions
 from sentence_transformers import SentenceTransformer
 
+
+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")