Docker-official-images/test/tests/python-imports/container.py

import zlib
import bz2

assert(zlib.decompress(zlib.compress(b'IT WORKS IT WORKS IT WORKS')) == b'IT WORKS IT WORKS IT WORKS')
assert(bz2.decompress(bz2.compress(b'IT WORKS IT WORKS IT WORKS')) == b'IT WORKS IT WORKS IT WORKS')