def METHOD_NAME(self):
    if self.status == httplib.UNAUTHORIZED:
        raise InvalidCredsError("Invalid provider credentials")
    body = self.parse_body()
    if isinstance(body, basestring):
        return body + " (HTTP Code: %d)" % self.status
    error = body.get("error", None)
    debug = body.get("debug", None)
    # If we only have one of "error" or "debug", use the one that we have.
    # If we have both, use both, with a space character in between them.
    value = "No message specified"
    if error is not None:
        value = error
    if debug is not None:
        value = debug
    if error is not None and value is not None:
        value = error + " " + value
    value = value + " (HTTP Code: %d)" % self.status
    return value