Update app.py

app.py

@@ -97,7 +97,7 @@ TMP_DIR = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'tmp')
 os.makedirs(TMP_DIR, exist_ok=True)
 
 def reset_canvas():
-    return gr.ImageMask.update(value={"background":Image.new("RGB", (512, 512), (255, 255, 255)), "layers":[Image.new("RGB", (512, 512), (255, 255, 255))], "composite":Image.new("RGB", (512, 512), (255, 255, 255))})
+    return gr.update(value={"background":Image.new("RGB", (512, 512), (255, 255, 255)), "layers":[Image.new("RGB", (512, 512), (255, 255, 255))], "composite":Image.new("RGB", (512, 512), (255, 255, 255))})
 
 def apply_style(style_name: str, positive: str, negative: str = "") -> tuple[str, str]:
     p, n = styles.get(style_name, styles[DEFAULT_STYLE_NAME])