def _deckhand_render_exception_msg(errors):
    """
    Helper function to create deckhand render exception msg.

    Parameters:
        errors: List of errors provided by deckhand render.
    Returns:
        string: formulated error message.
    """
    err_msg = ''
    for err in errors:
        if isinstance(err, tuple) and len(err) > 1:
            err_msg += ': '.join(err) + '\n'
        else:
            err_msg += str(err) + '\n'
    return err_msg