def copy_service_to_services_forward(apps, schema_editor):
    """Copy the service from ForeignKeyField to ManyToManyField."""
    Incident = apps.get_model('statusboard', 'incident')
    db_alias = schema_editor.connection.alias
    for i in Incident.objects.using(db_alias).filter(service__isnull=False
        ).all():
        i.services.add(i.service)
        i.save()
