Set max threads

app.py

@@ -92,7 +92,6 @@ def generate_video(
     device = getattr(pipe, "_offload_device", pipe.device)
     generator = torch.Generator(device=device).manual_seed(seed)
     frames = pipe(generator=generator, **args).frames[0]
-    torch.cuda.empty_cache()  # Clear cache.
     return export_to_video(frames, fps=12), seed
 
 
@@ -203,4 +202,4 @@ if __name__ == "__main__":
         ],
         outputs=[result, seed],
     )
-    app.__exit__(), app.launch(share=False, ssr_mode=False)
+    app.__exit__(), app.launch(share=False, ssr_mode=False, max_threads=1)