I see this in trunk and in the released version with leopard:
/Developer/Examples/Python/PyObjC/FSEvents/watcher.py
134c134
< def fsevents_callback(streamRef, clientInfo, numEvents, eventPaths, eventMarsks, eventIDs):
---
> def fsevents_callback(streamRef, clientInfo, numEvents, eventPaths, eventMasks, eventIDs):
167c167
< print "New total size: %d (change made to %s) for...
2008-06-02 18:53:32 UTC in PyObjC
