def convert(data):
    """
    Recursively convert a dictionary.
    """
    if isinstance(data, bytes):
        return data.decode("ascii")
    if isinstance(data, dict):
        return dict(map(convert, data.items()))
    if isinstance(data, tuple):
        return map(convert, data)
    if isinstance(data, list):
        return list(map(convert, data))
    return data