Is this a bug or am I doing it wrong?

I'm building a module "matrix" to be included in a package "my" using 
Pyrex. This works fine allowing me to "import my.matrix". But while 
trying to implement the pickle protocol for the resulting object, I've 
run into the problem that __module__ returns "matrix" instead of 
"my.matrix". A python module inside a package will return "my.matrix" 
for its __module__ name. The pickle protocol wants to be able to find 
the class for later unpickling.

Is there a way to tell Pyrex that the module is going to reside inside 
a package?

Thanks
gb

(Pyrex is great stuff, I'm having a good time learning it.)