>>> Emerging (1 of 5) dev-java/swt-3.2_pre4 to /
Traceback (most recent call last):
  File "/usr/bin/emerge", line 3413, in ?
    mydepgraph.merge(pkglist)
  File "/usr/bin/emerge", line 2026, in merge
    retval=portage.doebuild(y,"merge",myroot,self.pkgsettings,edebug,tree="porttree")
  File "/usr/lib/portage/pym/portage.py", line 2798, in doebuild
    (mydo not in ["digest","fetch","unpack"] and
  File "/usr/lib/portage/pym/portage.py", line 2318, in digestcheck
    mf.checkFileHashes(mf.findFile(f), f)
  File "/usr/lib/portage/pym/portage_manifest.py", line 476, in checkFileHashes
    myhashes = self.fhashdict[ftype][fname]
KeyError: 'swt-3.2M4-gtk-linux-x86_64.zip'