Hello! i try to make .DDS to .PNG converter but when i call code it raises PIL.UnidentifiedImageError: cannot identify image file
# Imports
from PIL import Image
import os
# Define names
file = 'C:\DDS\Portrait_Britain_Alan_Brooke.dds'
l = len(os.listdir("SOV"))+1
name = f'SOV/{l}.png'
# Load image
with Image.open(file) as im: # in this line error
im.save(name)
screenshot of console:

this file:
Portrait_Britain_Alan_Brooke.zip