@classmethod
    def project_slug(cls, sfk):
        if sfk.project:
            return sfk.project.slug
        return None
Count of cases where lower <= case_action.date < upper
dataset/ETHPy150Open rvanlaar/easy-transifex/src/transifex/transifex/resources/api.py/ResourceHandler.project_slug--crossover with--dataset/ETHPy150Open dimagi/commcare-hq/corehq/apps/callcenter/indicator_sets.py/CallCenterIndicators._case_query_active