[issue3774] tkinter Menu.delete bug

[skomoroh]

New submission from skomoroh <skomoroh at gmail.com>:

When I create a menu item without command and them remove it, I have a
error:
  File "/usr/local/lib/python3.0/tkinter/__init__.py", line 2661, in delete
    if c in self._tclCommands:
TypeError: argument of type 'NoneType' is not iterable

----------
components: Tkinter
files: menu_bug.py
messages: 72501
nosy: skomoroh
severity: normal
status: open
title: tkinter Menu.delete bug
versions: Python 3.0
Added file: http://bugs.python.org/file11373/menu_bug.py

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<http://bugs.python.org/issue3774>
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