Update app.py

app.py

@@ -66,8 +66,10 @@ def inpaintGen(
         raise gr.Error("Please draw a mask on the image.")
 
     source_img = Image.open(source_path).convert("RGB")
-    mask_img = Image.open(mask_path).convert('L')
-    mask_img = Image.fromarray(255 - np.array(mask_img))
+    mask_img = Image.open(mask_path)
+    if mask_img.mode != 'L':
+        mask_img = mask_img.convert('L')
+    mask_img = ImageOps.invert(mask_img)
 
     #mask_img = create_mask_image(mask_img)