Update app.py

app.py

@@ -226,7 +226,7 @@ class LTX23DistilledA2VPipeline:
         )
 
         def stage1_denoising_loop(sigmas: torch.Tensor, video_state, audio_state, stepper: DiffusionStepProtocol):
-            return res2s_audio_video_denoising_loop(
+            return euler_denoising_loop(
                 sigmas=sigmas,
                 video_state=video_state,
                 audio_state=audio_state,