Issue #29349: Use __future__ print_function; Sphinx may use Python 2.6+
diff --git a/Doc/tools/extensions/patchlevel.py b/Doc/tools/extensions/patchlevel.py
index 9558b9c..919ba4a 100644
--- a/Doc/tools/extensions/patchlevel.py
+++ b/Doc/tools/extensions/patchlevel.py
@@ -10,6 +10,8 @@
     :license: Python license.
 """
 
+from __future__ import print_function
+
 import os
 import re
 import sys