Reuse smooth mask

app.py

@@ -125,7 +125,7 @@ def crop_signature(original_image_path, mask, padding=32):
 
         # Create an RGBA image with a black background and the denoised mask as the alpha channel
         mask_image = Image.new('RGBA', (w_padded, h_padded), (0, 0, 0))
-        pil_mask = Image.fromarray(cropped_mask).convert('L')
+        pil_mask = Image.fromarray(smooth_denoised_mask).convert('L')
         mask_image.putalpha(pil_mask)
 
         return mask_image