def METHOD_NAME(pr):
    print("getting authors for #%i" % pr['number'], file=sys.stderr)
    h = make_auth_header()
    r = requests.get(pr['commits_url'], headers=h)
    r.raise_for_status()
    commits = r.json()
    authors = []
    for commit in commits:
        author = commit['commit']['author']
        authors.append("%s <%s>" % (author['name'], author['email']))
    return authors