make test: improve stability

[vpp.git] / test / util.py

diff --git a/test/util.py b/test/util.py
index 24e9af4..a648490 100644 (file)
--- a/test/util.py
+++ b/test/util.py
@@ -1,3 +1,5 @@
+""" test framework utilities """
+
 import socket
 import sys
 from abc import abstractmethod, ABCMeta