A minor fix

model.py

@@ -480,7 +480,7 @@ class Model:
                                 width=resolution,
                                 num_inference_steps=50,
                                 guidance_scale=7.5,
-                                guidance_stop_step=1.0,
+                                # guidance_stop_step=1.0,
                                 t0=t0,
                                 t1=t1,
                                 motion_field_strength_x=motion_field_strength_x,