Called if a job, before trying to run it, has not the "waiting" status,
        or, after run, if its status was set to "canceled"

def job_skipped(self, job, queue):
        """
        Called if a job, before trying to run it, has not the "waiting" status,
        or, after run, if its status was set to "canceled"
        """
        job.queued.delete()
        self.log(self.job_skipped_message(job, queue), level='warning')
        if hasattr(job, 'on_skipped'):
            job.on_skipped(queue)