fix: counter function (#82)

* fix: counter function

* Update: interface.py

apply [black](https://github.com/psf/black) format

* fix: format&unintentional deletion

src/north/cli/goldstone/north/cli/interface.py

@@ -1046,6 +1046,7 @@ class InterfaceCounterCommand(Command):
     def __init__(self, context, parent, name, **options):
         super().__init__(context, parent, name, **options)
 
+        self.model = options.get("model", "goldstone-interfaces")
         self.add_command("pcs", InterfacePCSCounterCommand)
         self.add_command("detail", InterfaceDetailCounterCommand)
 
@@ -1085,8 +1086,9 @@ def exec(self, line):
                 table = line[0] == "table"
 
             ifnames = self.context.ifnames
+            model = self.model
 
-        show_counters(self.conn, ifnames, table)
+        show_counters(self.conn, ifnames, table, model)
 
 
 class InterfaceShowCommand(Command):