Comment 2 for bug 970065

Exception during installation:
Mar 31 16:04:49 ubuntu plugininstall.py: Traceback (most recent call last):
Mar 31 16:04:49 ubuntu plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 1641, in <module>
Mar 31 16:04:49 ubuntu plugininstall.py: install.run()
Mar 31 16:04:49 ubuntu plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 55, in wrapper
Mar 31 16:04:49 ubuntu plugininstall.py: func(self)
Mar 31 16:04:49 ubuntu plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 182, in run
Mar 31 16:04:49 ubuntu plugininstall.py: self.configure_hardware()
Mar 31 16:04:49 ubuntu plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 822, in configure_hardware
Mar 31 16:04:49 ubuntu plugininstall.py: install_misc.set_debconf(self.target, 'popularity-contest/participate', participate, self.db)
Mar 31 16:04:49 ubuntu plugininstall.py: File "/usr/lib/ubiquity/ubiquity/install_misc.py", line 79, in set_debconf
Mar 31 16:04:49 ubuntu plugininstall.py: dc = debconf.Debconf(read=dccomm.stdout, write=dccomm.stdin)
Mar 31 16:04:49 ubuntu plugininstall.py: File "/usr/lib/python2.7/dist-packages/debconf.py", line 48, in __init__
Mar 31 16:04:49 ubuntu plugininstall.py: self.setUp(title)
Mar 31 16:04:49 ubuntu plugininstall.py: File "/usr/lib/python2.7/dist-packages/debconf.py", line 51, in setUp
Mar 31 16:04:49 ubuntu plugininstall.py: self.version = self.version(2)
Mar 31 16:04:49 ubuntu plugininstall.py: File "/usr/lib/python2.7/dist-packages/debconf.py", line 60, in <lambda>
Mar 31 16:04:49 ubuntu plugininstall.py: lambda *args, **kw: self.command(command, *args, **kw))
Mar 31 16:04:49 ubuntu plugininstall.py: File "/usr/lib/python2.7/dist-packages/debconf.py", line 81, in command
Mar 31 16:04:49 ubuntu plugininstall.py: status = int(status)
Mar 31 16:04:49 ubuntu plugininstall.py: ValueError: invalid literal for int() with base 10: ''
Mar 31 16:04:49 ubuntu plugininstall.py: