def __getattr__(attr_name):
    from numpy._core import _dtype_ctypes
    from ._utils import _raise_warning
    ret = getattr(_dtype_ctypes, attr_name, None)
    if ret is None:
        raise AttributeError(
            f"module 'numpy.core._dtype_ctypes' has no attribute {attr_name}")
    _raise_warning(attr_name, "_dtype_ctypes")
    return ret