[Pygui] Bugs in PyGUI

[Greg Ewing]

David Robinow wrote:
> I think the OP must have caused an indentation error trying to fix the bug.
> I get the following (Vista PyGUI-2.5.3 Python3.2.2)

>   File "c:\python32\lib\site-packages\GUI\GStdMenus.py", line 81,in build_menus
>     include = include + sum(always_include)
> TypeError: unsupported operand type(s) for +: 'set' and 'set'

Well, this is annoying. In Python 3, the set type seems to
have changed so that operations on subclasses of set return
plain sets, rather than instances of the subclass.

I'll have to fix the CommandSet class to take this into
account.

-- 
Greg