Exception in Tkinter callback
Traceback (most recent call last):
  File "/usr/lib/python2.5/lib-tk/Tkinter.py", line 1406, in __call__
    return self.func(*args)
  File "/home/rayh/emc2-trunk/bin/axis", line 2458, in open_file
    commands.open_file_name(f)
  File "/home/rayh/emc2-trunk/bin/axis", line 2461, in open_file_name
    open_file_guts(f)
  File "/home/rayh/emc2-trunk/bin/axis", line 1781, in open_file_guts
    result, seq = gcode.parse(f, canon, unitcode, initcode)
RuntimeError: interp_error > 0 but no Python exception set
Exception _tkinter.TclError: 'can\'t invoke "winfo" command:  application has been destroyed' in <bound method Progress.__del__ of <__main__.Progress instance at 0x839e78c>> ignored