On Fri, 2015-03-27 at 20:33 +0000, Laurent Charignon wrote: > Hi, > > What system are you referring to, how could I repro the failure? I ran it on my Debian laptop (Py2.7) and on a large Centos 6 box of the type you should have handy (Py2.6). -- Mathematics is the supreme nostalgia of our time.