--- a/tests/dummysmtpd.py	Sun Feb 20 15:18:15 2022 -0700
+++ b/tests/dummysmtpd.py	Thu Mar 03 17:34:00 2022 +0100
@@ -2,7 +2,6 @@
 
 """dummy SMTP server for use in tests"""
 
-from __future__ import absolute_import
 
 import asyncore
 import optparse