def _getTipArchiveURL(repo):
    ''' return a string containing a tarball url '''
    g = Github(settings.getProperty('github', 'authtoken'))
    repo = g.get_repo(repo)
    return repo.get_archive_link('tarball')
def _getTipArchiveURL(repo):
    ''' return a string containing a tarball url '''
    g = Github(settings.getProperty('github', 'authtoken'))
    repo = g.get_repo(repo)
    return repo.get_archive_link('tarball')
return a string containing a tarball url