diff --git a/src/allmydata/util/iputil.py b/src/allmydata/util/iputil.py
index 71dded28f..4623dbba6 100644
--- a/src/allmydata/util/iputil.py
+++ b/src/allmydata/util/iputil.py
@@ -1,4 +1,12 @@
-# from the Python Standard Library
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
+
+from future.utils import PY2, native_str
+if PY2:
+    from builtins import filter, map, zip, ascii, chr, hex, input, next, oct, open, pow, round, super, bytes, dict, int, list, object, range, str, max, min  # noqa: F401
+
 import os, re, socket, subprocess, errno
 from sys import platform