Your bug report #21086: 24.5; python.el: python-shell-buffer-substring fails under certain circumstances which was filed against the emacs package, has been closed. The explanation is attached below, along with your original report. If you require more details, please reply to 21086@debbugs.gnu.org. -- 21086: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=21086 GNU Bug Tracking System Contact help-debbugs@gnu.org with problems