def _postback(self):
        return urlopen(self.get_endpoint(), "cmd=_notify-validate&%s" % self.query).read()
Wrap and indent attributes on the root element so namespace declarations
dataset/ETHPy150Open y-a-r-g/idea-color-themes/paypal/standard/ipn/models.py/PayPalIPN._postback--crossover with--dataset/ETHPy150Open python-openxml/opc-diag/opcdiag/presenter.py/prettify_nsdecls