update sc revisions

modules/processing_diffusers.py

@@ -243,13 +243,6 @@ def process_diffusers(p: processing.StableDiffusionProcessing):
                 args["prior_guidance_scale"] = p.cfg_scale
             if 'decoder_guidance_scale' in possible:
                 args["decoder_guidance_scale"] = p.image_cfg_scale
-            # TODO Stable Cascade callbacks are currently broken in combined pipeline so preview will not get triggered
-            if 'prior_callback_on_step_end' in possible:
-                possible.remove('callback_on_step_end')
-            if 'callback_on_step_end' in possible:
-                possible.remove('callback_on_step_end')
-            if 'callback' in possible:
-                possible.remove('callback')
 
         # set callbacks
         if 'callback_steps' in possible:

modules/sd_models.py

@@ -918,7 +918,7 @@ def load_diffuser(checkpoint_info=None, already_loaded_state_dict=None, timer=No
                     diffusers_load_config.pop("variant", None)
                     decoder = diffusers.StableCascadeDecoderPipeline.from_pretrained("stabilityai/stable-cascade", cache_dir=shared.opts.diffusers_dir, revision="refs/pr/44", **diffusers_load_config)
                     shared.log.debug(f'StableCascade decoder: scale={decoder.latent_dim_scale}')
-                    prior = diffusers.StableCascadePriorPipeline.from_pretrained("stabilityai/stable-cascade-prior", cache_dir=shared.opts.diffusers_dir, **diffusers_load_config)
+                    prior = diffusers.StableCascadePriorPipeline.from_pretrained("stabilityai/stable-cascade-prior", cache_dir=shared.opts.diffusers_dir, revision="refs/pr/2", **diffusers_load_config)
                     shared.log.debug(f'StableCascade prior: scale={prior.resolution_multiple}')
                     sd_model = diffusers.StableCascadeCombinedPipeline(
                         tokenizer=decoder.tokenizer,