def is_positive(self, a):
        return self.domain.is_positive(a.numer.LC)
Return the tuple of calendar.txt values or None if this ServicePeriod
dataset/ETHPy150Open sympy/sympy/sympy/polys/domains/fractionfield.py/FractionField.is_positive--crossover with--dataset/ETHPy150Open google/transitfeed/transitfeed/serviceperiod.py/ServicePeriod.GetCalendarFieldValuesTuple