Update app.py

app.py

@@ -33,4 +33,4 @@ os.system("pip install -r requirements.txt")
 
 if __name__ == "__main__":
     from gradio_app import demo
-    demo.queue(default_concurrency_limit=2, max_size=5).launch(server_name="0.0.0.0", server_port=7860)
+    demo.queue(default_concurrency_limit=1, max_size=5).launch(server_name="0.0.0.0", server_port=7860)