Well, in the meantime you can list the files owned by switchdesk, rpm -ql switchdesk
and then copy the desired .Xclients.<windowmanage> file to your home directory's .Xclients-default.
That is the general operation carried out by switchdesk anyway.
I'm sure the maintainer will be all over the syntax error soon. (of course anyone knowing python could drop a patch on the bug and help him out..)