s027 ~ # emerge -uKaql world
Traceback (most recent call last):
  File "/usr/bin/emerge", line 5299, in ?
    retval = emerge_main()
  File "/usr/bin/emerge", line 5294, in emerge_main
    myopts, myaction, myfiles, spinner)
  File "/usr/bin/emerge", line 4655, in action_build
    mydepgraph.display(
  File "/usr/bin/emerge", line 2398, in display
    inst_matches[0], pkg_key))
  File "/usr/bin/emerge", line 2652, in calc_changelog
    changelogpath = os.path.join(os.path.split(ebuildpath)[0],'ChangeLog')
  File "/usr/lib/python2.4/posixpath.py", line 77, in split
    i = p.rfind('/') + 1
AttributeError: 'NoneType' object has no attribute 'rfind'