agw.HyperTreeList: double clicking a column header border sets the column width to zero if the column has no items

wxPython Users
1

Hi Andrea,

Subject says it all really. The consequence is that the user cannot
resize the column anymore. The fix is easy. In GetBestColumnWidth,
replace the "return width" with "return max(10, width)". See
http://trac.wxwidgets.org/ticket/12848 (includes patch).

Cheers, Frank