[SoaS] Python segfault on firstboot of sugar associated with recent Fedora pycairo package update

[Frederick Grose]

After updating pycairo from 1.8.8-2.fc14 to 1.8.10-4.fc16, Sugar fails to
launch on firstboot.

/var/log/messages shows a line such as,
Mar 18 13:05:04 localhost kernel: [   35.702384] python[1435]: segfault at
0 ip           (null) sp 00007fffde3be248 error 14 in python[400000+1000]
(The final 8 sp address characters vary on each failure.)

This is observed with Sugar on a Stick F15 and F16 versions updated with
yum update from the Fedora repository.

Downgrading pycairo fixes the problem.

       --Fred
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