Update app.py

app.py

@@ -13,6 +13,8 @@ pipe = DiffusionPipeline.from_pretrained(
     "CompVis/stable-diffusion-v1-4",
     safety_checker=None,
     use_auth_token=MY_SECRET_TOKEN,
+    revision="fp16",
+    torch_dtype=torch.float16,
     custom_pipeline="imagic_stable_diffusion",
     scheduler = DDIMScheduler(beta_start=0.00085, beta_end=0.012, beta_schedule="scaled_linear", clip_sample=False, set_alpha_to_one=False)
 ).to(device)