abrt 1.0.7 detected a crash.

architecture: i686
cmdline: python /usr/share/openbox/xdg-autostart
comment: I have no idea when or how this happened.
component: openbox
executable: /usr/share/openbox/xdg-autostart
kernel: 2.6.31.12-174.2.3.fc12.i686.PAE
package: openbox-3.4.7.2-11.fc12
release: Fedora release 12 (Constantine)
uuid: 163bd5fb

backtrace
-----
Summary: TB163bd5fb xdg-autostart:91:_findFile:TypeError: _isexecfile() takes exactly 1 argument (2 given)

Traceback (most recent call last):
  File "/usr/share/openbox/xdg-autostart", line 198, in <module>
    sys.exit(main())
  File "/usr/share/openbox/xdg-autostart", line 68, in main
    else: autofile.run(environments)
  File "/usr/share/openbox/xdg-autostart", line 162, in run
    if self._shouldRun(envs):
  File "/usr/share/openbox/xdg-autostart", line 139, in _shouldRun
    self._isexecfile):
  File "/usr/share/openbox/xdg-autostart", line 91, in _findFile
    if match_func(path): return path
TypeError: _isexecfile() takes exactly 1 argument (2 given)

Local variables in innermost frame:
path: '/usr/libexec/dalston-volume-applet'
search: '/usr/lib/qt-3.3/bin:/usr/kerberos/sbin:/usr/kerberos/bin:/usr/lib/ccache:/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin:/usr/local/bin:/usr/local/sbin:/sbin:/usr/sbin:/opt/bin:/home/klemmerj/bin:/usr/games'
self: <__main__.AutostartFile instance at 0xb73c6f6c>
match_func: <bound method AutostartFile._isexecfile of <__main__.AutostartFile instance at 0xb73c6f6c>>

How to reproduce
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1. N/A
2.
3.