def METHOD_NAME(response):
    """
    Return a wrapped proxy error
    Taking a request.response object as input, return it slightly modified
    with an extra header for debugging so that we can see where the request
    failed
    """
    r = HttpResponse(
        response.content,
        content_type=response.headers["content-type"],
        status=response.status_code,
    )
    r.setdefault("X-PROMGEN-PROXY", response.url)
    return r