regression on -current with libappindicator

on -current libappindicator doesn't build anymore:
-------------------------------
make[3]: Entering directory '/tmp/libappindicator-12.10.0/build-gtk2/bindings/python'
(/usr/bin/python /usr/share/pygobject/2.0/codegen/codegen.py \
--register /usr/share/pygtk/2.0/defs/gtk-types.defs \
--register /usr/share/pygtk/2.0/defs/gdk-types.defs \
--load-types ../../../bindings/python/appindicator-arg-types.py \
--override appindicator.override \
--prefix pyappindicator ../../../bindings/python/appindicator.defs) > gen-appindicator.c \
&& cp gen-appindicator.c appindicator.c \
&& rm -f gen-appindicator.c
Traceback (most recent call last):
File "/usr/share/pygobject/2.0/codegen/codegen.py", line 1722, in <module>
sys.exit(main(sys.argv))
File "/usr/share/pygobject/2.0/codegen/codegen.py", line 1680, in main
p.startParsing()
File "/usr/share/pygobject/2.0/codegen/scmexpr.py", line 113, in startParsing
for statement in statements:
File "/usr/share/pygobject/2.0/codegen/scmexpr.py", line 27, in parse
fp = open(filename, 'r')
IOError: [Errno 2] No such file or directory: '/usr/share/pygtk/2.0/defs/gtk-types.defs'
make[3]: *** [Makefile:742: appindicator.c] Error 1
make[3]: Leaving directory '/tmp/libappindicator-12.10.0/build-gtk2/bindings/python'
make[2]: *** [Makefile:353: all-recursive] Error 1
make[2]: Leaving directory '/tmp/libappindicator-12.10.0/build-gtk2/bindings'
make[1]: *** [Makefile:409: all-recursive] Error 1
make[1]: Leaving directory '/tmp/libappindicator-12.10.0/build-gtk2'
make: *** [Makefile:339: all] Error 2
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