diff --git a/Tests/kaas/plugin/plugin_kind.py b/Tests/kaas/plugin/plugin_kind.py
index 6dcc46474..b65b5af60 100644
--- a/Tests/kaas/plugin/plugin_kind.py
+++ b/Tests/kaas/plugin/plugin_kind.py
@@ -15,7 +15,7 @@ class PluginKind(KubernetesClusterPlugin):
     conformance testing purpose with the use of Kind
     """
     def __init__(self, config_file=None):
-        logger.info(f"Init PluginKind")
+        logger.info("Init PluginKind")
         self.config = config_file
         logger.debug(self.config)
         self.working_directory = os.getcwd()