old_contents: from django.core.management.base import BaseCommand, CommandError
  import time
  
  from django_celery_beat.models import PeriodicTask
  from django.utils import timezone
  from datetime import timedelta
  
  from atlas.prodtask.views import send_alarm_message
  
  
  class Command(BaseCommand):
      args = 'None'
      help = 'Check celery beat health'
  
      def handle(self, *args, **options):
          if not args:
              try:
                  try:
                      last_executed_task = PeriodicTask.objects.all().order_by('-last_run_at')[0]
                  except Exception as e:
                      send_alarm_message('Alarm: the celery beat health check problem',
                                f'Celery beat health check problem {e}')
                      raise e
                  if (timezone.now() - last_executed_task.last_run_at) > timedelta(hours=3):
                      send_alarm_message('Alarm: the celery beat is stuck',
                                         f'Celery beat last updated {last_executed_task.last_run_at}')
              except Exception as e:
                  raise CommandError('Some problem during alarm mail sending check: %s'%e)
  
new_contents: from django.core.management.base import BaseCommand, CommandError
  import time
  
  from django_celery_beat.models import PeriodicTask
  from django.utils import timezone
  from datetime import timedelta
  
  from atlas.prodtask.views import send_alarm_message
  
  
  class Command(BaseCommand):
      args = 'None'
      help = 'Check celery beat health'
  
      def handle(self, *args, **options):
          if not args:
              self.stdout.write(f'Start celery beat health check {timezone.now()}')
  
              try:
                  try:
                      last_executed_task = PeriodicTask.objects.all().order_by('-last_run_at')[0]
                  except Exception as e:
                      send_alarm_message('Alarm: the celery beat health check problem',
                                f'Celery beat health check problem {e}')
                      raise e
                  if (timezone.now() - last_executed_task.last_run_at) > timedelta(hours=3):
                      send_alarm_message('Alarm: the celery beat is stuck',
                                         f'Celery beat last updated {last_executed_task.last_run_at}')
              except Exception as e:
                  raise CommandError('Some problem during alarm mail sending check: %s'%e)
  
subject: Add logging for health check