text: from django.db import models
  
  from .named_with_uuid_model import NamedWithUuidModel
  from .run_environment import RunEnvironment
  
  class NamedWithUuidAndRunEnvironmentModel(NamedWithUuidModel):
      class Meta:
          abstract = True
  
      run_environment = models.ForeignKey(RunEnvironment,
              on_delete=models.CASCADE, null=True, blank=True)
  