On Thu, Jun 16, 2011 at 01:02:21PM +0300, Cüneyt Sina Koca wrote: libguestfsmod.so is the python module. libguestfs.so is the libguestfs C library. They're not related to each other, and comparing the sizes doesn't make sense. Back to the original error: This is because you've got some older version of Python that didn't have that the new PyCapsule API. Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones Read my programming blog: http://rwmj.wordpress.com Fedora now supports 80 OCaml packages (the OPEN alternative to F#) http://cocan.org/getting_started_with_ocaml_on_red_hat_and_fedora