Update app.py

app.py

@@ -117,9 +117,7 @@ def torch_gc():
         torch.cuda.empty_cache()
         torch.cuda.ipc_collect()
 
-#subprocess.run('pip install flash-attn==2.7.4.post1 --no-build-isolation', env={'FLASH_ATTENTION_SKIP_CUDA_BUILD': "TRUE"}, shell=True)
-
-@spaces.GPU(duration=500)
+@spaces.GPU(duration=900)
 def generate_video(
     mode,
     prompt,