Update utils.py

utils.py

@@ -1,9 +1,8 @@
 from PIL import Image
 
 
-def alpha_composite(img: Image, background: Image = None):
-    if not background:
-        background = Image.new("RGBA", img.size, (255, 255, 255))
+def alpha_composite_manuel(img: Image):
+    background = Image.new("RGBA", img.size, (255, 255, 255))
     result = Image.alpha_composite(background, img.convert("RGBA"))
     result = result.convert("RGB")
     return result