fillarea concave objects not plotting right

[doutriaux1]

import vcs
f=vcs.createfillarea()
x=vcs.init()
f.y=[.2,.2,.8,.8,.2]
f.x=[.2,.8,.2,.8,.2]
f.color=["red"]
x.plot(f)

produces:

[doutriaux1]

@scottwittenburg I just tried it and it seems to produce a blank screen these days.

[scottwittenburg]

Hmmm, I thought we had a test for that, but I guess not?

[scottwittenburg]

The original code was supposed to be an hourglass, I guess.