def METHOD_NAME(self):
    """Decode the :attr:`content` attribute.
    If ``content`` is base64 encoded, decode this and return it.
    Otherwise, return ``content``.
    :returns:
        plain-text content of this license
    :rtype:
        text (str on Python 3)
    """
    if self.encoding == "base64":
        return base64.b64decode(self.content.encode("utf-8")).decode(
            "utf-8"
        )
    return self.content