Hi Ned, On Fri, Dec 16, 2011 at 05:15, Ned Batchelder <ned at nedbatchelder.com> wrote: > Not Implemented: sandboxing for external function 'pypy__float2longlong' Ah, we made new uses of float2longlong(), notably in the "is" operator on floats. Fixed in d9b372cf25b0. A bientôt, Armin.