airflow/models/taskinstance.py
def ready_for_retry(self):
        """
        Checks on whether the task instance is in the right state and timeframe
        to be retried.
        """
        return (self.state == State.UP_FOR_RETRY and
                self.next_retry_datetime() < timezone.utcnow())
def ready_for_retry(self):
        """
        Checks on whether the task instance is in the right state and timeframe
        to be retried.
        """
        return (self.state == State.UP_FOR_RETRY and
                self.next_retry_datetime() < timezone.utcnow())
Checks on whether the task instance is in the right state and timeframe
        to be retried.