def METHOD_NAME():
    infile = op.join(datadir, "hg19.GM12878-MboI.matrix.2000kb.cool")
    chunksize = int(10e6)
    # n_zooms = 2
    n_cpus = 1
    with isolated_filesystem():
        legacy_zoomify(infile, "test.multires.cool", n_cpus, chunksize)