Trigger an update and cache invalidation for the team identified by the
        given `slug`. Returns `True` on success, `False` otherwise.

        :param slug: The GitHub 'slug' that identifies the team in URLs

def update_team(self, slug):
        """
        Trigger an update and cache invalidation for the team identified by the
        given `slug`. Returns `True` on success, `False` otherwise.

        :param slug: The GitHub 'slug' that identifies the team in URLs
        """
        if slug not in self._teamobjects:
            # This case is checked and handled further up, but better be safe
            # than sorry.
            return False # pragma: no cover
        return self._teamobjects[slug].update()