Bug 1790816 - Reformat intl/ with isort. r=linter-reviewers,Standard8 DONTBUILD

# This script expects to be run from `update-icu.sh` after the in-tree

# copy of ICU has been updated.

from __future__ import absolute_import

from __future__ import print_function

from __future__ import absolute_import, print_function

import glob

import multiprocessing