hgview #6715 about window doesn't show [rejected]

When I click on the About button, nothing happens and I get the following traceback on the prompt

Traceback (most recent call last):
  File "/usr/lib/python2.5/site-packages/hgview/gtk/hgview_gtk.py", line 198, in on_about_activate
    from __pkginfo__ import modname, version, short_desc, long_desc
ImportError: No module named __pkginfo__

in hgview 0.9.1-1

prioritynormal
typebug
done in0.11.0
load1.000
load left0.000
closed by<not specified>