def _has_season_all_poster(self, show_obj):
        # type: (sickbeard.tv.TVShow) -> AnyStr
        result = ek.ek(os.path.isfile, self.get_season_all_poster_path(show_obj))
        logger.log(u"Checking if " + self.get_season_all_poster_path(show_obj) + " exists: " + str(result),
                   logger.DEBUG)
        return result