debug examples

app.py

@@ -41,7 +41,7 @@ def infer(prompt,
           guidance_scale = 5.0, 
           num_inference_steps = 25
           ):
-    if mask_image != None:
+    if not isinstance(image, dict):
         image = dict({'background': image, 'layers': [mask_image]})
     if randomize_seed:
         seed = random.randint(0, MAX_SEED)
@@ -148,7 +148,7 @@ with gr.Blocks(css=css) as Kolors:
 
     run_button.click(
         fn = infer,
-        inputs = [prompt, image, None, negative_prompt, seed, randomize_seed, guidance_scale, num_inference_steps],
+        inputs = [prompt, image, mask_image, negative_prompt, seed, randomize_seed, guidance_scale, num_inference_steps],
         outputs = [result]
     )