qtile/qtile — pull request #255 by bcho (2013-01-05 02:26:22+00:00)
Title: The systray icon's minium width may be 0

I found some systray icons minium width and height are 0, and cannot be placed in right position.

It seems that the exception in https://github.com/qtile/qtile/blob/develop/libqtile/widget/systray.py#L23 may not be triggered.