Update app.py

app.py

@@ -77,7 +77,7 @@ snapshot_download(
 pretrained_model_path = 'preset/models/stable-diffusion-2-1-base'
 seesr_model_path = 'preset/models/seesr'
 
-scheduler = DDPMScheduler.from_pretrained(pretrained_model_path, subfolder="scheduler")
+scheduler = DDIMScheduler.from_pretrained(pretrained_model_path, subfolder="scheduler")
 text_encoder = CLIPTextModel.from_pretrained(pretrained_model_path, subfolder="text_encoder")
 tokenizer = CLIPTokenizer.from_pretrained(pretrained_model_path, subfolder="tokenizer")
 vae = AutoencoderKL.from_pretrained(pretrained_model_path, subfolder="vae")