'Returns the urlconfs for the apphook instance, eventually selected
according to the given arguments.
By default it returns the urls assigned to :py:attr:`CMSApp._urls`
This method **must** return a non empty list of urlconfs,
even if no argument is passed.
:param page: page the apphook is attached to
:param language: current site language
:return: list of urlconfs strings'

def get_urls(self, page=None, language=None, **kwargs):

    return self._urls
