A bug in backend_tkagg?

John,

    > Is the following a line a bug in backend_tkagg.py? Note the
    > method __init5B__. As it stands, I get a traceback with
    > this piece of code. When I change it to __init__, it works
    > fine. I see you changed this line on Oct 1. If it is in
    > error, I submit a patch.

    > Tk.Frame.__init5B__(self, master=self.figman.window,
    > width=width, height=height, borderwidth=2)

Clearly a bug. I would have guessed that Clara started banging on my
keyboard while I was trying to change her, but she wasn't born yet.
Can you commit the fix?

JDH