Code review comment for lp:~wgrant/launchpad/export-das-chroot

This bit should have some explanation text to say why this set up is needed. Otherwise, looks great, thanks for the fix William.

63 + >>> from zope.component import getUtility
64 + >>> from lp.registry.interfaces.distribution import IDistributionSet
65 +
66 + >>> login('<email address hidden>')
67 + >>> hoary = getUtility(IDistributionSet)['ubuntu'].getSeries('hoary')
68 + >>> chroot = factory.makeLibraryFileAlias()
69 + >>> unused = hoary.getDistroArchSeries('i386').addOrUpdateChroot(chroot)
70 + >>> logout()
71 +