Update app.py

antialiasing fix

app.py

@@ -72,7 +72,7 @@ def process_uploaded_image(image_path):
         else:
             new_height = 1024
             new_width = int((1024 / height) * width)
-        image = image.resize((new_width, new_height), Image.ANTIALIAS)
+        image = image.resize((new_width, new_height), Image.Resampling.LANCZOS)
         image.save(image_path)
     return image_path