def METHOD_NAME():
    # type: (...) -> None
    pex_third_party_asset_dir = DistributionHelper.access_zipped_assets("pex", "third_party")
    resources = os.listdir(pex_third_party_asset_dir)
    assert (
        len(resources) > 0
    ), "The pex.third_party package should contain at least an __init__.py file."
    resources.remove("__init__.py")
    for path in resources:
        assert path in (
            "__init__.pyc",
            "__init__.pyo",
            "__pycache__",
        ), "Expected only __init__.py (and its compilations) in the pex.third_party package."