new_contents: from backup.models import Volume
  from workflow.steps.util.volume_provider import VolumeProviderBase
  
  
  for vol in Volume.objects.all():
      vol_inst = vol.host and vol.host.instances.first()
      if not vol_inst:
          continue
      provider = VolumeProviderBase(vol_inst)
      vol_path = provider.get_path(vol)
      if not vol_path:
          continue
      for snap in vol.backups.all():
          snap.volume_path = vol_path
          snap.save()
  
subject: Create Script to populate volume_path field