:calls: `GET /projects/columns/:column_id/cards <https://developer.github.com/v3/projects/cards/#list-project-cards>`_
        :rtype: :class:`github.PaginatedList.PaginatedList` of :class:`github.ProjectCard.ProjectCard`
        :param archived_state: string

def get_cards(self, archived_state=github.GithubObject.NotSet):
        """
        :calls: `GET /projects/columns/:column_id/cards <https://developer.github.com/v3/projects/cards/#list-project-cards>`_
        :rtype: :class:`github.PaginatedList.PaginatedList` of :class:`github.ProjectCard.ProjectCard`
        :param archived_state: string
        """
        assert archived_state is github.GithubObject.NotSet or isinstance(archived_state, (str, unicode)), archived_state

        url_parameters = dict()
        if archived_state is not github.GithubObject.NotSet:
            url_parameters["archived_state"] = archived_state

        return github.PaginatedList.PaginatedList(
            github.ProjectCard.ProjectCard,
            self._requester,
            self.url + "/cards",
            url_parameters,
            {"Accept": Consts.mediaTypeProjectsPreview}
        )