Update app.py

app.py

@@ -82,7 +82,7 @@ parser.add_argument('-H', '--height', type=int, default=768)
 parser.add_argument('-W', '--width', type=int, default=768)
 parser.add_argument('--model', type=str, default=None, help='Hugging face model repository or local path for a SD1.5 model checkpoint to run.')
 parser.add_argument('--bootstrap_steps', type=int, default=1)
-parser.add_argument('--bootstrap_mix_steps', type=int, default=0)
+parser.add_argument('--bootstrap_mix_steps', type=int, default=1)
 parser.add_argument('--guidance_scale', type=float, default=1.0) # 1.2
 parser.add_argument('--run_time', type=float, default=60)
 parser.add_argument('--seed', type=int, default=-1)
@@ -132,7 +132,7 @@ prompt_suggestions = [
 opt.max_palettes = 3
 opt.default_prompt_strength = 1.0
 opt.default_mask_strength = 1.0
-opt.default_mask_std = 0.0
+opt.default_mask_std = 8.0
 opt.default_negative_prompt = (
     'nsfw, worst quality, bad quality, normal quality, cropped, framed'
 )
@@ -336,6 +336,9 @@ def register(state, drawpad, model):
     inpainting_mode = np.asarray(background).sum() != 0
     if not inpainting_mode:
         background = Image.new(size=(opt.width, opt.height), mode='RGB', color=(255, 255, 255))
+        background_prompt = "Simple white background"
+    else:
+        background_prompt = None
     print('Inpainting mode: ', inpainting_mode)
 
     user_input = np.asarray(drawpad['layers'][0]) # (H, W, 4)
@@ -372,7 +375,7 @@ def register(state, drawpad, model):
 
     model.update_background(
         background.convert('RGB'),
-        prompt=None,
+        prompt=background_prompt,
         negative_prompt=None,
     )
     state.prompts[0] = model.background.prompt