Update app.py

app.py

@@ -27,12 +27,12 @@ def infer(
     # model_id: Optional[str] = "CompVis/stable-diffusion-v1-4",
     negative_prompt=gr.Text('cat, dog'),
     prompt: str = 'cute_animal',
-    seed: Optional[int] = 42,
-    randomize_seed=False,
+    seed: int = 42,
+    randomize_seed = False,
     width = 128,
     height = 128,
-    guidance_scale: Optional[float] = 7,
-    num_inference_steps: Optional[int] = 20,
+    guidance_scale = 7,
+    num_inference_steps = 20,
     progress=gr.Progress(track_tqdm=True),
 ):
     if randomize_seed: