py2.x → py3.x

py2.x   →   py3.x 

Tkinter → tkinter

tkMessageBox → tkinter.messagebox

tkColorChooser → tkinter.colorchooser

tkFileDialog → tkinter.filedialog

tkCommonDialog → tkinter.commondialog

tkSimpleDialog → tkinter.simpledialog

tkFont → tkinter.font

Tkdnd → tkinter.dnd

ScrolledText → tkinter.scrolledtext

Tix → tkinter.tix

ttk → tkinter.ttk