def __round_time(self, dt):
    """Round a datetime object to a multiple of a timedelta
    dt : datetime.datetime object, default now.
    """
    round_to = self._resolution.total_seconds()
    seconds  = (dt - dt.min).seconds
    rounding = (seconds + round_to / 2) // round_to * round_to
    return dt + timedelta(0, rounding - seconds, -dt.microsecond)
def __round_time(self, dt):
    """Round a datetime object to a multiple of a timedelta
    dt : datetime.datetime object, default now.
    """
    round_to = self._resolution.total_seconds()
    seconds  = (dt - dt.min).seconds
    rounding = (seconds + round_to / 2) // round_to * round_to
    return dt + timedelta(0, rounding - seconds, -dt.microsecond)
def __round_time ( self , dt ) : round_to = self . _resolution . total_seconds ( ) seconds = ( dt - dt . min ) . seconds rounding = ( seconds + round_to / 2 ) // round_to * round_to return dt + timedelta ( 0 , rounding - seconds , - dt . microsecond )
Round a datetime object to a multiple of a timedelta
    dt : datetime.datetime object, default now.
Round a datetime object to a multiple of a timedelta dt : datetime . datetime object default now .