def validate(self) -> None:
try:
croniter(self._expression)
except (CroniterBadCronError, CroniterBadDateError) as e:
raise AirflowTimetableInvalid(str(e))
def validate(self) -> None:
now = datetime.datetime.now()
if (now + self._delta) <= now:
raise AirflowTimetableInvalid(f"schedule interval must be positive, not {self._delta!r}")
def validate(self) -> None:
if self._delta.total_seconds() <= 0:
raise AirflowTimetableInvalid("schedule interval must be positive")