def getAllowedReturnURLs(relying_party_url):
    """Given a relying party discovery URL return a list of return_to URLs.

    @since: 2.1.0
    """
    (rp_url_after_redirects, return_to_urls) = services.getServiceEndpoints(
        relying_party_url, _extractReturnURL)

    if rp_url_after_redirects != relying_party_url:
        # Verification caused a redirect
        raise RealmVerificationRedirected(
            relying_party_url, rp_url_after_redirects)

    return return_to_urls
Given a relying party discovery URL return a list of return_to URLs.

    @since: 2.1.0