\setindexsubitem{(in module frobnitz)}
These are no longer needed when present before any other \setindexsubitem{}
in the module section. The indexsubitem is now set by \bimodindex and
\stmodindex.
checkin of myformat.sty.
Change "\renewcommand{\indexsubitem}{(...)}" to "\setindexsubitem{(...)}"
everywhere.
Some other minor nits that I happened to come across.
Guido, you should probably look at this. The pickle documentation is out of
date; I don't see anything about the __reduce__() stuff or the
__safe_for_unpickling__ attribute.