@classmethod
def get_all(self):
    output = {}
    buckets = self.all().fetch(None)
    for bucket in buckets:
        output[bucket.bucket_id] = bucket.property_name
    return output
@classmethod
def get_all(self):
    output = {}
    buckets = self.all().fetch(None)
    for bucket in buckets:
        output[bucket.bucket_id] = bucket.property_name
    return output