Comment 7 for bug 865388

Here is the diff:
=== modified file 'apt/progress/gtk2.py'
--- apt/progress/gtk2.py 2011-01-10 17:08:13 +0000
+++ apt/progress/gtk2.py 2011-10-04 14:36:48 +0000
@@ -34,6 +34,7 @@
     import gobject as glib
 import gobject
 import pango
+import time
 import vte

 import apt_pkg
@@ -127,16 +128,15 @@
         self.apt_status = -1
         self.time_last_update = time.time()
         self.term = term
- reaper = vte.reaper_get()
- reaper.connect("child-exited", self.child_exited)
+ self.term.connect("child-exited", self.child_exited)
         self.env = ["VTE_PTY_KEEP_FD=%s" % self.writefd,
                     "DEBIAN_FRONTEND=gnome",
                     "APT_LISTCHANGES_FRONTEND=gtk"]
         self._context = glib.main_context_default()

- def child_exited(self, term, pid, status):
+ def child_exited(self, term):
         """Called when a child process exits"""
- self.apt_status = os.WEXITSTATUS(status)
+ self.apt_status = term.get_child_exit_status()
         self.finished = True

     def error(self, pkg, errormsg):
@@ -204,6 +204,7 @@
         """Wait for the child process to exit."""
         while not self.finished:
             self.update_interface()
+ time.sleep(0.02)
         return self.apt_status

     if apt_pkg._COMPAT_0_7: