$ python
Python 2.7.9 (default, Mar  1 2015, 18:22:53) 
[GCC 4.9.2] on linux2
Type "help", "copyright", "credits" or "license" for more information.
The readline tab completion thing should be loaded. (pythonstartup.py @home)
>>> import Tkinter as tk
>>> import tkFileDialog as tfd
>>> tk.Tk()
<Tkinter.Tk instance at 0xb72206ec>
>>> tk.Tk()
<Tkinter.Tk instance at 0xb7117a8c>
>>> tfd.askopenfilename()
u'/home/tomas/.emacs'
>>> # closing the root window
... 
>>> alloc: invalid block: 0x99ddcd8: 88 9
Aborted
$

$ uname -a
Linux debian 3.2.0-4-686-pae #1 SMP Debian 3.2.68-1+deb7u1 i686 GNU/Linux

See also #22810