Fixed. Thanks for report. As tkinter code is not processed via 2to3 tool now, I've fixed tkinter/ init.py and like to close the issue. If there are problems in 2to3 please open new ticket dedicated to ...
reading PPM and PGM image files (both 8 and 16 bits per channel color depth) to image 3D integer lists for further editing; displaying 3D lists thus obtained by converting to Tkinter-compatible data ...
Tkinter is widely used to build GUIs in Python due to its simplicity. In this book, you’ll discover Tkinter’s strengths and overcome its challenges as you learn to develop fully featured GUI ...