fix

Author: FumingZhang

src/aks-preview/azext_aks_preview/custom.py

@@ -4366,13 +4366,15 @@ def aks_bastion(cmd, client, resource_group_name, name, bastion=None, port=None,
             port = aks_bastion_get_local_port(port)
             aks_get_credentials(cmd, client, resource_group_name, name, admin=admin, path=kubeconfig_path)
             aks_bastion_set_kubeconfig(kubeconfig_path, port)
-            aks_bastion_runner(
+            asyncio.run(
+                aks_bastion_runner(
                     nrg,
                     bastion,
                     port,
                     mc_id,
                     kubeconfig_path,
                     test_hook=os.getenv("AKS_BASTION_TEST_HOOK"),
                 )
+            )
         finally:
             aks_batsion_clean_up()