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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def k8s_events_handle_job_statuses(self: 'celery_app.task', payload: Dict) -> None: """Project jobs statuses"""

    details = payload['details']
    job_uuid = details['labels']['job_uuid']
    job_name = details['labels']['job_name']
    project_name = details['labels'].get('project_name')
    logger.debug('handling events status for job %s', job_name)

    try:
        job = Job.objects.get(uuid=job_uuid)
    except Job.DoesNotExist:
        logger.debug('Job `%s` does not exist', job_name)
        return

    try:
        job.project
    except Project.DoesNotExist:
        logger.debug('Project for job `%s` does not exist', project_name)
        return

    # Set the new status
    try:
        set_node_scheduling(job, details['node_name'])
        job.set_status(status=payload['status'],
                       message=payload['message'],
                       traceback=payload.get('traceback'),
                       details=details)
    except IntegrityError:
        # Due to concurrency this could happen, we just retry it
        self.retry(countdown=Intervals.EXPERIMENTS_SCHEDULER)