lilypond-book dead in 2.9.8

[Graham Percival]

spark:~/aaa/opus/op1/out gperciva$ lilypond-book --version
  File  
"/Users/gperciva/Apps/LilyPond.app/Contents/Resources/bin/lilypond- 
book", line 1268
    found = dict ((t, None) for t in types)
                              ^
SyntaxError: invalid syntax

(in case you're not looking at this in a fixed-width font, the ^ is  
underneath the "r" in "for"
- Graham