How to use the numcodecs.blosc.Blosc function in numcodecs

def test_compressor(self):
        ts = get_example_ts(11, 17)
        compressors = [
            None,
            formats.DEFAULT_COMPRESSOR,
            blosc.Blosc(cname="zlib", clevel=1, shuffle=blosc.NOSHUFFLE),
        ]
        with tempfile.TemporaryDirectory(prefix="tsinf_format_test") as tempdir:
            for i, compressor in enumerate(compressors):
                filename = os.path.join(tempdir, "samples_{}.tmp".format(i))
                for path in [None, filename]:
                    with formats.SampleData(
                        sequence_length=ts.sequence_length,
                        path=path,
                        compressor=compressor,
                    ) as samples:
                        self.verify_data_round_trip(ts, samples)
                        for _, array in samples.arrays():
                            self.assertEqual(array.compressor, compressor)

from numcodecs.gzip import GZip
register_codec(GZip)

from numcodecs.bz2 import BZ2
register_codec(BZ2)

try:
    from numcodecs.lzma import LZMA
    register_codec(LZMA)
except ImportError:  # pragma: no cover
    pass

try:
    from numcodecs import blosc
    from numcodecs.blosc import Blosc
    register_codec(Blosc)
    # initialize blosc
    try:
        ncores = multiprocessing.cpu_count()
    except OSError:  # pragma: no cover
        ncores = 1
    blosc.init()
    blosc.set_nthreads(min(8, ncores))
    atexit.register(blosc.destroy)
except ImportError:  # pragma: no cover
    pass

try:
    from numcodecs import zstd
    from numcodecs.zstd import Zstd
    register_codec(Zstd)
except ImportError:  # pragma: no cover