Update app.py

app.py

@@ -13,6 +13,15 @@ from langchain.chains import create_retrieval_chain
 import os
 import markdown2
 
+# Retrieve username and password from environment variables
+username = os.environ.get("USERNAME")
+password = os.environ.get("PASSWORD")
+
+# Ensure both username and password are set
+if not username or not password:
+    raise ValueError("Both USERNAME and PASSWORD must be set in the environment variables.")
+
+
 # Retrieve API keys from Hugging Face Spaces secrets
 openai_api_key = os.environ.get('OPENAI_API_KEY')
 groq_api_key = os.environ.get('GROQ_API_KEY')
@@ -138,4 +147,4 @@ iface = gr.Interface(
 )
 
 # Launch the interface
-iface.launch()
+iface.launch(auth=(username, password))