Update app.py

app.py

@@ -304,4 +304,10 @@ with demo:
                            outputs=[baseline_gallery]
                         )
 
-demo.launch()
+def environ_auth(username, password):
+    if username == os.environ["username"] and password == os.environ["password"]:
+        return True
+    else:
+        return False
+
+demo.launch(auth=environ_auth).launch()