def METHOD_NAME(self):
    """
    For numpy dtypes only, return the size of the dtype in bytes.
    """
    warnings.warn(
        "getDtypeBytes was deprecated, please use lazyflow.utility.helpers.get_ram_per_element instead",
        DeprecationWarning,
    )
    from lazyflow.utility.helpers import get_ram_per_element
    return get_ram_per_element(self.dtype)