I was hoping to try python with pd but ran into this, which has been mentioned before: http://lists.puredata.info/pipermail/pd-list/2006-11/044535.html
I find that the [pyext]s occasionally do appear but usually they don't. It doesn't seem to matter if they are top level or not. This is on WinXp, Miller's pd040-2, pyext from http://grrrr.org/ext/py/py-bin-0.2.0-pd-win.zip, python 2.4.4. You can see an example here: http://132.205.142.12/screenshot.PNG
Martin