On Mon, Apr 27, 2009 at 5:34 PM, Robert Bradshaw <robertwb at math.washington.edu> wrote: > > class A: > pass > > cdef class B: > pass > I meant if this module is called foo, and I have two python instances running that both import foo, and both instantiate class A, would there be one such "A" shared by both processes/Pythons? Thanks, Mohamed.