Convert a regular :term:`chainlink` to a thread based version

    :param element: the chainlink to convert
    :return: a threaded version of ``element`` if possible, or the element itself

def convert(element):
    """
    Convert a regular :term:`chainlink` to a thread based version

    :param element: the chainlink to convert
    :return: a threaded version of ``element`` if possible, or the element itself
    """
    element = linker.LinkPrimitives().convert(element)
    if isinstance(element, link.ChainLink.chain_types.base_bundle_type):
        return ThreadLinkPrimitives.base_bundle_type(element.elements)
    elif isinstance(element, link.ChainLink.chain_types.base_chain_type):
        return ThreadLinkPrimitives.base_chain_type(element.elements)
    return element