Update app.py

app.py

@@ -7,11 +7,11 @@ import os
 
 # Authenticate with Hugging Face
 def authenticate_huggingface():
-    token = os.getenv("llama2_token")  # Load token from environment variable
+    token = os.getenv("HUGGINGFACEHUB_API_TOKEN")  # Load token from environment variable
     if token:
         login(token)  # This logs in using the Hugging Face token
     else:
-        st.error("Hugging Face token not found. Please set the HF_TOKEN environment variable.")
+        st.error("Hugging Face token not found. Please set the HUGGINGFACEHUB_API_TOKEN environment variable.")
 
 # Load the Llama 2 model from Hugging Face
 @st.cache_resource