On Fri, Apr 17, 2009 at 8:01 PM, Robert Bradshaw <robertwb at math.washington.edu> wrote: > No, I think this is a bug. However, does it work if you write > > cdef class A(object): > pass > > cdef class B(A): > pass > > in your .pxd? > Yes, it does. Riccardo -- Riccardo Murri, via Rossée 17, 6987 Caslano (CH)