crashes on a dual core machine with Fedora

[Till Maas <opensource@xxxxxxxxx>]

Hiyas,
there is a bug report in Fedora's Bugzilla about crash on a dual core machine:

https://bugzilla.redhat.com/show_bug.cgi?id=317991


Traceback with 5.99.4 is at the end of this mail. Does someone know how to fix 
this?

Regards,
Till


Thread 'InputHandler loop' terminated with exception:
Traceback (most recent call last):
  File "/usr/lib/python2.5/site-packages/offlineimap/threadutil.py", line 153, 
in run
    Thread.run(self)
  File "/usr/lib/python2.5/threading.py", line 440, in run
    self.__target(*self.__args, **self.__kwargs)
  File "/usr/lib/python2.5/site-packages/offlineimap/ui/Curses.py", line 265, 
in bgreaderloop
    ch = s.c.stdscr.getch()
AttributeError: CursesUtil instance has no attribute 'stdscr'


No debug messages were logged for InputHandler loop.
Exception in thread Account sync atkac@xxxxxxxxxx (most likely raised during 
interpreter shutdown):
Traceback (most recent call last):
  File "/usr/lib/python2.5/threading.py", line 460, in __bootstrap
  File "/usr/lib/python2.5/site-packages/offlineimap/threadutil.py", line 239, 
in run
<type 'exceptions.TypeError'>: 'NoneType' object is unsubscriptable


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