Update app.py

app.py

@@ -33,8 +33,18 @@ openai.api_key = os.getenv("OPENAI_API_KEY")  # Ensure OPENAI_API_KEY is in your
    # raise ValueError("Hugging Face token is missing. Please check your .env file.")
 
 # Log in to Hugging Face
+# Retrieve the Hugging Face token from environment variables
+hf_token = os.getenv("hf_token")
+
+# Check if the token is retrieved successfully
+if not hf_token:
+    raise ValueError("Hugging Face token is missing. Please set 'hf_token' as an environment variable.")
+
+# Log in to Hugging Face with the retrieved token
 login(hf_token)
 
+print("Logged in to Hugging Face successfully.")
+
 # Set up embeddings and vector store
 embeddings = SentenceTransformerEmbeddings(model_name="thenlper/gte-large")
 collection_name = 'report-10k-2024'