def copy_single_file(src, dest):
    if op.exists(src) and op.isfile(src):
        shellutil.copy(src, dest)
        return True
Crop information is normalized on the parent Thumb row so auto-crops do not
dataset/ETHPy150Open googlefonts/fontbakery/bakery_cli/pipe/copy.py/copy_single_file--crossover with--dataset/ETHPy150Open theatlantic/django-cropduster/cropduster/utils/thumbs.py/unset_as_auto_crop