Traceback (most recent call last):

  File "/usr/lib/python2.4/site-packages/smart/interfaces/gtk/interactive.py", line 515, in <lambda>
    item.connect("activate", lambda x: self.actOnPackages(pkgs, INSTALL))

  File "/usr/lib/python2.4/site-packages/smart/interfaces/gtk/interactive.py", line 497, in actOnPackages
    if self.confirmChange(self._changeset, changeset, expected):

  File "/usr/lib/python2.4/site-packages/smart/interfaces/gtk/interface.py", line 164, in confirmChange
    return self._changes.showChangeSet(changeset, keep=keep, confirm=True)

  File "/usr/lib/python2.4/site-packages/smart/interfaces/gtk/changes.py", line 188, in showChangeSet
    size = report.getInstallSize() - report.getRemoveSize()

  File "/usr/lib/python2.4/site-packages/smart/report.py", line 200, in getRemoveSize
    size = info.getInstalledSize()

  File "/usr/lib/python2.4/site-packages/smart/backends/rpm/header.py", line 87, in getInstalledSize
    return self._h[rpm.RPMTAG_SIZE]

  File "/usr/lib/python2.4/site-packages/smart/backends/rpm/header.py", line 58, in __get__
    obj._h = obj._loader.getHeader(obj._package)

  File "/usr/lib/python2.4/site-packages/smart/backends/rpm/header.py", line 581, in getHeader
    return mi.next()

StopIteration