def METHOD_NAME(issue, github_auth):
    print "fetching comments for issue #%(number)s" % issue
    r = requests.get("https://api.github.com/repos/Khan/khan-exercises/issues/"
            "%s/comments?per_page=100" % issue['number'],
            auth=github_auth)
    r.raise_for_status()
    time.sleep(1)
    return r.json()