segfault in extension module

[Nathaniel Echols]

> The latter command will give a backtrace, which should tell you where it
> crashes. If you don't get enough detail, make sure you compile your
> module with debugging information. If you are on Windows, make then sure
> that Python is compiled for debugging as well. Regards, Martin

Okay:

#0  0x420744fe in _int_free () from /lib/tls/libc.so.6
#1  0x420734d6 in free () from /lib/tls/libc.so.6
#2  0x0809dc0d in _PyObject_GC_Del ()
#3  0x080ce86f in PyDict_Next ()
#4  0x080d191d in _PyModule_Clear ()

I guess this makes sense, but I'm still not sure how to fix it. . .