Trying to add CPU support

app.py

@@ -86,7 +86,7 @@ if SAFETY_CHECKER:
 
     safety_checker = StableDiffusionSafetyChecker.from_pretrained(
         "CompVis/stable-diffusion-safety-checker"
-    ).to("cuda")
+    ).to(device)
     feature_extractor = CLIPFeatureExtractor.from_pretrained(
         "openai/clip-vit-base-patch32"
     )
@@ -126,7 +126,7 @@ def generate_image(prompt, ckpt, aspect_ratio, mode):
         # Ensure sampler uses "trailing" timesteps.
         pipe.scheduler = EulerDiscreteScheduler.from_config(pipe.scheduler.config, timestep_spacing="trailing")
         
-    pipe.unet.load_state_dict(load_file(hf_hub_download(repo, checkpoint), device="cuda"))
+    pipe.unet.load_state_dict(load_file(hf_hub_download(repo, checkpoint), device=device)
     results = pipe(prompt, num_inference_steps=num_inference_steps, guidance_scale=0, width=width, height=height )
 
     if SAFETY_CHECKER: