Update app.py

app.py

@@ -282,7 +282,7 @@ class LTX23DistilledA2VPipeline:
             conditionings=stage_1_conditionings,
             noiser=noiser,
             sigmas=stage_1_sigmas,
-            stepper=stepper,
+            stepper=res2s_stepper,
             denoising_loop_fn=stage1_denoising_loop,
             components=self.pipeline_components,
             dtype=dtype,
@@ -316,7 +316,7 @@ class LTX23DistilledA2VPipeline:
             conditionings=stage_2_conditionings,
             noiser=noiser,
             sigmas=stage_2_sigmas,
-            stepper=stepper,
+            stepper=euler_stepper,
             denoising_loop_fn=stage2_denoising_loop,
             components=self.pipeline_components,
             dtype=dtype,