diff --git a/test/functional/tests/incremental_load/test_udev.py b/test/functional/tests/incremental_load/test_udev.py
index 9eebcd4..24552e8 100644
--- a/test/functional/tests/incremental_load/test_udev.py
+++ b/test/functional/tests/incremental_load/test_udev.py
@@ -4,6 +4,7 @@
 #
 
 import random
+import time
 import pytest
 
 from api.cas import casadm, casadm_parser