Feature/nat 329 interface names should validated 3

gso/utils/helpers.py

@@ -75,9 +75,9 @@ def available_interfaces_choices(router_id: UUID, speed: str) -> Choice | None:
 
 
 def available_interfaces_choices_including_current_members(
-        router_id: UUID,
-        speed: str,
-        interfaces: list[IptrunkInterfaceBlock],
+    router_id: UUID,
+    speed: str,
+    interfaces: list[IptrunkInterfaceBlock],
 ) -> Choice | None:
     """Return a list of available interfaces for a given router and speed including the current members.
 
@@ -288,7 +288,9 @@ def validate_interface_name_list(interface_name_list: list, vendor: str) -> list
     pattern = re.compile(r"^(ge|et|xe)-[0-9]/[0-9]/[0-9]$")
     for interface in interface_name_list:
         if not bool(pattern.match(interface.interface_name)):
-            raise ValueError(
-                f"Invalid interface name. The interface name should be of format: "
-                f"xe-1/0/0. Got: [{interface.interface_name}]")
+            error_msg = (
+                f"Invalid interface name. The interface name should be of format: xe-1/0/0. "
+                f"Got: [{interface.interface_name}]"
+            )
+            raise ValueError(error_msg)
     return interface_name_list