How to use the nyoka.PMML44.process_includes.InnerNameMapError function in nyoka

"""
    # find the name for the enclosing type definition and
    # the name of the type definition that encloses that.
    node1 = node
    name2 = node1.get('name')
    while name2 is None:
        node1 = node1.getparent()
        if node1 is None:
            raise InnerNameMapError('cannot find parent with "name" attribute')
        name2 = node1.get('name')
    node1 = node1.getparent()
    name1 = node1.get('name')
    while name1 is None:
        node1 = node1.getparent()
        if node1 is None:
            raise InnerNameMapError('cannot find parent with "name" attribute')
        name1 = node1.get('name')
    new_name = inner_name_map.get((name1, name2))
    if new_name is None:
        msg1 = '("{}", "{}")'.format(
            name1, name2)
        sys.stderr.write('\n*** error.  Must add entry to inner_name_map:\n')
        sys.stderr.write('\n    {}: "xxxx",\n\n'.format(msg1))
        raise InnerNameMapError('mapping missing for {}'.format(msg1))
    return new_name

def map_inner_name(node, inner_name_map):
    """Use a user-supplied mapping table to look up a name for this class/type.
    """
    # find the name for the enclosing type definition and
    # the name of the type definition that encloses that.
    node1 = node
    name2 = node1.get('name')
    while name2 is None:
        node1 = node1.getparent()
        if node1 is None:
            raise InnerNameMapError('cannot find parent with "name" attribute')
        name2 = node1.get('name')
    node1 = node1.getparent()
    name1 = node1.get('name')
    while name1 is None:
        node1 = node1.getparent()
        if node1 is None:
            raise InnerNameMapError('cannot find parent with "name" attribute')
        name1 = node1.get('name')
    new_name = inner_name_map.get((name1, name2))
    if new_name is None:
        msg1 = '("{}", "{}")'.format(
            name1, name2)
        sys.stderr.write('\n*** error.  Must add entry to inner_name_map:\n')
        sys.stderr.write('\n    {}: "xxxx",\n\n'.format(msg1))
        raise InnerNameMapError('mapping missing for {}'.format(msg1))
    return new_name

raise InnerNameMapError('cannot find parent with "name" attribute')
        name2 = node1.get('name')
    node1 = node1.getparent()
    name1 = node1.get('name')
    while name1 is None:
        node1 = node1.getparent()
        if node1 is None:
            raise InnerNameMapError('cannot find parent with "name" attribute')
        name1 = node1.get('name')
    new_name = inner_name_map.get((name1, name2))
    if new_name is None:
        msg1 = '("{}", "{}")'.format(
            name1, name2)
        sys.stderr.write('\n*** error.  Must add entry to inner_name_map:\n')
        sys.stderr.write('\n    {}: "xxxx",\n\n'.format(msg1))
        raise InnerNameMapError('mapping missing for {}'.format(msg1))
    return new_name