def METHOD_NAME(self):
    """
    Obtain the client ID and secret for this OAuth account.
    Return:
        Tuple with (client_id, client_secret).
    """
    if not self.client_id or self.client_id == self.OAUTH_CLIENT_ID:
        return (self.OAUTH_CLIENT_ID, self.OAUTH_CLIENT_SECRET)
    else:
        raise OAuthError("No valid tokens.")