Roger Serwy added the comment: The attached patch allows the same parser code to run under Python 2 and Python 3. I'm not sure how to test it other than by running the test suite which passed. ---------- Added file: http://bugs.python.org/file29677/patch_2and3.py _______________________________________ Python tracker <report@bugs.python.org> <http://bugs.python.org/issue15964> _______________________________________