diff --git a/src/hyperpod_cli/commands/cluster.py b/src/hyperpod_cli/commands/cluster.py
index bab4ad2..01e7b41 100644
--- a/src/hyperpod_cli/commands/cluster.py
+++ b/src/hyperpod_cli/commands/cluster.py
@@ -18,6 +18,7 @@
 from collections import defaultdict
 from typing import Any, Dict, List, Optional
 
+
 import boto3
 import click
 from botocore.client import BaseClient