Update app.py

app.py

@@ -539,8 +539,10 @@ def build_interface() -> gr.Blocks:
 
 def main() -> None:
     demo = build_interface()
-    demo.queue(concurrency_count=1).launch(server_name=os.environ.get("GRADIO_SERVER_NAME", "0.0.0.0"))
+    demo.queue(default_concurrency_limit=1).launch(
+        server_name=os.environ.get("GRADIO_SERVER_NAME", "0.0.0.0")
+    )
 
 
 if __name__ == "__main__":
-    main()
+    main()