supstat/vistat — pull request #1 by yulijia (2013-03-24 01:09:29+00:00)
Title:  rgl.surface() may cause 'segfault' problem in RedHat ( Fedora ) without rgl.open()

rgl.surface() may cause 'segfault' problem in RedHat ( Fedora ) without rgl.open()
Solution: add rgl.open() before rgl.surface() to avoid 'segfault' problem