'*class_names* is a list of child classes to show bases from.
If *show_builtins* is True, then Python builtins will be shown
in the graph.'

def __init__(self, class_names, currmodule, show_builtins=False, private_bases=False, parts=0):

    self.class_names = class_names
    classes = self._import_classes(class_names, currmodule)
    self.class_info = self._class_info(classes, show_builtins, private_bases, parts)
    if (not self.class_info):
        raise InheritanceException('No    classes    found    for    inheritance    diagram')
