Python batch resizing (Targeted to 32x32 & requires PIL)

resize.py

import os
import PIL
from PIL import Image

if not os.path.exists("resized"):
    os.makedirs("resized")

for (dirpath, dirnames, files) in os.walk("."):
    for _file in files:
        if ".png" in _file:
            img = Image.open(_file)
            img = img.resize((32, 32), Image.NEAREST)
            img.save("resized/"+_file)
    break