diff --git a/lib/mentat/datatype/test_internal.py b/lib/mentat/datatype/test_internal.py
index dad64dcab7f8026f3ef836d232256dc0234a58b8..3f552b9b02ab5b53f4686250bd8e1b2a51023ef3 100644
--- a/lib/mentat/datatype/test_internal.py
+++ b/lib/mentat/datatype/test_internal.py
@@ -18,7 +18,7 @@ __credits__ = "Pavel Kácha <pavel.kacha@cesnet.cz>, Andrea Kropáčová <andrea
 
 
 import unittest
-import datetime
+#import datetime
 from pprint import pprint
 
 import ipranges