text: import logging, uuid
  from django.contrib.auth.models import User
  from django.db import models
  from eve_api.models import Structure, EVEPlayerCharacter, ObjectType
  from .market_order import MarketOrder
  
  logger=logging.getLogger(__name__)
  
  
  class ItemGroup(models.Model):
      id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
      creator = models.ForeignKey(User, default=None, null=True, on_delete=models.CASCADE)
  
      name = models.CharField(max_length=190)
      items = models.ManyToManyField(ObjectType)
  
  
      def __str__(self):
          return self.name
  