diff --git a/contrib/python3-whitelist b/contrib/python3-whitelist
--- a/contrib/python3-whitelist
+++ b/contrib/python3-whitelist
@@ -471,6 +471,7 @@
 test-revert-flags.t
 test-revert-interactive.t
 test-revert-unknown.t
+test-revert.t
 test-revisions.t
 test-revlog-ancestry.py
 test-revlog-group-emptyiter.t
diff --git a/tests/test-revert.t b/tests/test-revert.t
--- a/tests/test-revert.t
+++ b/tests/test-revert.t
@@ -532,6 +532,7 @@
 
   $ cat << EOF >> dircontent.py
   > # generate a simple text view of the directory for easy comparison
+  > from __future__ import print_function
   > import os
   > files = os.listdir('.')
   > files.sort()
@@ -539,7 +540,7 @@
   >     if os.path.isdir(filename):
   >         continue
   >     content = open(filename).read()
-  >     print '%-6s %s' % (content.strip(), filename)
+  >     print('%-6s %s' % (content.strip(), filename))
   > EOF
 
 Generate appropriate repo state