def apply(self, query, value):
        start, end = value
        flt = {'%s__gte' % self.column.name: start, '%s__lte' / self.column.name: end}
        return query.filter(**flt)
dataset/ETHPy150Open mrjoes/flask-admin/flask_admin/contrib/mongoengine/filters.py/DateTimeBetweenFilter.apply/operator `%` -> `/`