old_contents: from django.core.management import BaseCommand
  from django.db import ProgrammingError
  from django.db.models import Q
  
  from projects.models import Project
  from runner.schedulers import notebook_scheduler, tensorboard_scheduler
  
  
  class Command(BaseCommand):
      @staticmethod
      def _clean():
          for project in Project.objects.exclude(Q(tensorboard=None) | Q(notebook=None)):
              if project.has_notebook:
                  notebook_scheduler.stop_notebook(project, update_status=False)
              if project.has_tensorboard:
                  tensorboard_scheduler.stop_tensorboard(project, update_status=False)
  
      def handle(self, *args, **options):
          try:
              self._clean()
          except ProgrammingError:
              pass
  
new_contents: from django.core.management import BaseCommand
  from django.db import ProgrammingError
  from django.db.models import Q
  
  from projects.models import Project
  from runner.schedulers import notebook_scheduler, tensorboard_scheduler
  
  
  class Command(BaseCommand):
      @staticmethod
      def _clean():
          filters = Q(tensorboard_jobs=None) | Q(notebook_jobs=None)
          for project in Project.objects.exclude(filters):
              if project.has_notebook:
                  notebook_scheduler.stop_notebook(project, update_status=False)
              if project.has_tensorboard:
                  tensorboard_scheduler.stop_tensorboard(project, update_status=False)
  
      def handle(self, *args, **options):
          try:
              self._clean()
          except ProgrammingError:
              pass
  
subject: Update clean project jobs command