[newbie] struggling wth tkinter

[Cousin Stanley]

> .... 
> The only thing I see when running it is a little popup 
> with "Click mouse here to quit" which works as expected 
> but always shows the following error-message. 

  This seems to be left over from an earlier post
  where you were binding a mouse event to a tk label

  Did you create a  new  file ?


> However the "main" window which should let you enter the
> numbers is not shown.
> 
> This is the quit error message:
> Traceback (most recent call last):
> File "./feet2meters.py", line 3, in <module>
> from tkinter import ttk
> ImportError: cannot import name ttk
> 
> This is the code:
> .... 

  If I copy/paste your code as posted
  into a new file named ftom.py
  and change the she-bang line
  as follows ....

    #!/usr/bin/env python3

  Then from the command line ....

    python3 ftom.py

  Your code runs as expected
  using python 3.2.3 ....


-- 
Stanley C. Kitching
Human Being
Phoenix, Arizona