Update live_preview_helpers.py

live_preview_helpers.py

@@ -158,7 +158,7 @@ def flux_pipe_call_that_returns_an_iterable_of_images(
         torch.cuda.empty_cache()
 
     # Final image using good_vae
-    latents = self._unpack_latents(latents, height, width, good_vae.config.vae_scale_factor)
+    latents = self._unpack_latents(latents, height, width, self.vae_scale_factor)
     latents = (latents / good_vae.config.scaling_factor) + good_vae.config.shift_factor
     image = good_vae.decode(latents, return_dict=False)[0]
     self.maybe_free_model_hooks()