def METHOD_NAME(self, instance_name):
    # The job is finished here, this instance can be re processed
    if instance_name in self.jobs_status:
        self.log.debug("Instance: %s cleaned from jobs status." % instance_name)
        del self.jobs_status[instance_name]
    # if an exception happened, log it
    if instance_name in self.jobs_results:
        self.log.debug("Instance: %s cleaned from jobs results." % instance_name)
        ret = self.jobs_results[instance_name].get()
        if isinstance(ret, Exception):
            self.log.exception("Exception in worker thread: {0}".format(ret))
        del self.jobs_results[instance_name]