Update app.py

app.py

@@ -171,7 +171,7 @@ class LTX23DistilledA2VPipeline:
 
         generator = torch.Generator(device=self.device).manual_seed(seed)
         noiser = GaussianNoiser(generator=generator)
-        res2s_stepper = Res2sDiffusionStep()
+        stepper = Res2sDiffusionStep()
         euler_stepper = EulerDiffusionStep()
         dtype = torch.bfloat16
 
@@ -229,7 +229,7 @@ class LTX23DistilledA2VPipeline:
                 sigmas=sigmas,
                 video_state=video_state,
                 audio_state=audio_state,
-                stepper=res2s_stepper,
+                stepper=stepper,
                 denoise_fn=multi_modal_guider_denoising_func(
                     video_guider=MultiModalGuider(
                         params=video_guider_params,
@@ -282,7 +282,7 @@ class LTX23DistilledA2VPipeline:
             conditionings=stage_1_conditionings,
             noiser=noiser,
             sigmas=stage_1_sigmas,
-            stepper=res2s_stepper,
+            stepper=stepper,
             denoising_loop_fn=stage1_denoising_loop,
             components=self.pipeline_components,
             dtype=dtype,