fix linting errors

gso/products/__init__.py

 """Module that updates the domain model of {term}`GSO`. Should contain all types of subscriptions."""
 from orchestrator.domain import SUBSCRIPTION_MODEL_REGISTRY
 
-from gso.products.product_types.router import Router
 from gso.products.product_types.iptrunk import Iptrunk
+from gso.products.product_types.router import Router
 from gso.products.product_types.site import Site
 
 SUBSCRIPTION_MODEL_REGISTRY.update(

gso/services/provisioning_proxy.py

@@ -18,8 +18,8 @@ from orchestrator.workflow import Step, StepList, abort
 from pydantic import validator
 
 from gso import settings
-from gso.products.product_types.router import RouterProvisioning
 from gso.products.product_types.iptrunk import Iptrunk, IptrunkProvisioning
+from gso.products.product_types.router import RouterProvisioning
 
 logger = logging.getLogger(__name__)
 """{class}`logging.Logger` instance."""

gso/workflows/iptrunk/create_iptrunk.py

@@ -9,8 +9,8 @@ from orchestrator.workflows.utils import wrap_create_initial_input_form
 
 from gso.products.product_blocks import PhyPortCapacity
 from gso.products.product_blocks.iptrunk import IptrunkType
-from gso.products.product_types.router import Router
 from gso.products.product_types.iptrunk import IptrunkInactive, IptrunkProvisioning
+from gso.products.product_types.router import Router
 from gso.services import ipam, provisioning_proxy
 from gso.services.provisioning_proxy import pp_interaction
 from gso.workflows.utils import customer_selector

gso/workflows/router/terminate_router.py

@@ -17,7 +17,7 @@ logger = logging.getLogger(__name__)
 
 
 def initial_input_form_generator(subscription_id: UUIDstr) -> FormGenerator:
-    subscription = Router.from_subscription(subscription_id)
+    Router.from_subscription(subscription_id)
 
     class TerminateForm(FormPage):
         termination_label: Label = (