Update app.py

app.py

@@ -15,7 +15,8 @@ from PIL import Image
 import torch
 from diffusers import AutoencoderKL, StableDiffusionXLPipeline
 #from diffusers import EulerAncestralDiscreteScheduler
-from diffusers import DPMSolverMultistepScheduler
+#from diffusers import DPMSolverMultistepScheduler
+from diffusers import DDIMScheduler
 #from diffusers import AutoencoderKL
 from typing import Tuple
 #from transformers import AutoTokenizer, AutoModelForCausalLM
@@ -120,8 +121,8 @@ def load_and_prepare_model(model_id):
         vae=vae,
     )
     #sched = EulerAncestralDiscreteScheduler.from_config(pipe.scheduler.config, beta_schedule="squaredcos_cap_v2",use_karras_sigmas=True, algorithm_type="dpmsolver++")
-    sched = DPMSolverMultistepScheduler.from_config(pipe.scheduler.config, beta_schedule="squaredcos_cap_v2", algorithm_type="dpmsolver++")
-    #sched = DDIMScheduler.from_config(pipe.scheduler.config,)
+    #sched = DPMSolverMultistepScheduler.from_config(pipe.scheduler.config, beta_schedule="linear", algorithm_type="dpmsolver++")
+    sched = DDIMScheduler.from_config(pipe.scheduler.config)
     pipe.scheduler=sched
     #pipe.to(device=device, dtype=torch.bfloat16)
     pipe.to(device=device)