NAT-329: fixed import for RouterVendor

gso/utils/helpers.py

@@ -12,9 +12,8 @@ from pydantic import BaseModel
 from pydantic_forms.validators import Choice
 
 from gso.products.product_blocks.iptrunk import IptrunkInterfaceBlock
-from gso.products.product_blocks.router import RouterVendor
 from gso.products.product_types.iptrunk import Iptrunk
-from gso.products.product_types.router import Router
+from gso.products.product_types.router import Router, RouterVendor
 from gso.services import provisioning_proxy
 from gso.services.netbox_client import NetboxClient
 from gso.services.subscriptions import get_active_subscriptions_by_field_and_value