I don't get a crash, but it certainly doesn't work. Once IDLE is open I type "raise TypeError", then open the stack viewer as you did. Here's what I'm seeing:


[WINSEVEN] 2011-01-29 21:05:30.18
c:\Users\brian
>c:\python31\python.exe -m idlelib.idle
*** Internal Error: rpc.py:SocketIO.localcall()

 Object: 49395136
 Method: <bound method WrappedObjectTreeItem._GetSubList of <idlelib.RemoteObjec
tBrowser.WrappedObjectTreeItem object at 0x0000000002F1B5C0>>
 Args: ()

Traceback (most recent call last):
  File "c:\python31\lib\idlelib\rpc.py", line 188, in localcall
    ret = method(*args, **kwargs)
  File "c:\python31\lib\idlelib\RemoteObjectBrowser.py", line 21, in _GetSubList

    return list(map(remote_object_tree_item, list))
TypeError: 'list' object is not callable
Exception in Tkinter callback
Traceback (most recent call last):
  File "c:\python31\lib\tkinter\__init__.py", line 1399, in __call__
    return self.func(*args)
  File "c:\python31\lib\idlelib\PyShell.py", line 1171, in open_stack_viewer
    return self.interp.remote_stack_viewer()
  File "c:\python31\lib\idlelib\PyShell.py", line 572, in remote_stack_viewer
    node.expand()
  File "c:\python31\lib\idlelib\TreeWidget.py", line 131, in expand
    self.update()
  File "c:\python31\lib\idlelib\TreeWidget.py", line 170, in update
    self.draw(7, 2)
  File "c:\python31\lib\idlelib\TreeWidget.py", line 184, in draw
    sublist = self.item._GetSubList()
  File "c:\python31\lib\idlelib\RemoteObjectBrowser.py", line 36, in _GetSubList

    return [StubObjectTreeItem(self.sockio, oid) for oid in list]
TypeError: 'NoneType' object is not iterable