diff --git a/sky/backends/backend_utils.py b/sky/backends/backend_utils.py
index de12c20acb9..696320be2f9 100644
--- a/sky/backends/backend_utils.py
+++ b/sky/backends/backend_utils.py
@@ -2871,7 +2871,7 @@ def check_stale_runtime_on_remote(returncode: int, stderr: str,
 
 
 def wait_and_terminate_csync(cluster_name: str) -> None:
-    """ Terminatese all the CSYNC process running in each node after
+    """Terminatese all the CSYNC process running in each node after
     waiting for the sync process launched by CSYNC complete.
 
     Args:
diff --git a/sky/data/skystorage.py b/sky/data/skystorage.py
index acaa6be663a..06541def710 100644
--- a/sky/data/skystorage.py
+++ b/sky/data/skystorage.py
@@ -149,10 +149,7 @@ def update_interval(interval_seconds: int, elapsed_time: int):
     wait before the next sync operation.
     """
     diff = interval_seconds - elapsed_time
-    if diff <= 0:
-        return 0
-    else:
-        return diff
+    return max(0, diff)
 
 
 def get_s3_upload_cmd(src_path: str, dst: str, num_threads: int, delete: bool,