Update app.py

app.py

@@ -189,7 +189,8 @@ Click **Generate** and enjoy unlimited AI art!
     generate_btn.click(
         generate_image,
         inputs=[prompt, width, height, seed, rand, server],
-        outputs=[output, seed_display]
+        outputs=[output, seed_display],
+        concurrency_limit=None
     )
 
     # Sponsor wall