def __repr__(self):
        return '%s(%s)' % (
            self.__class__.__name__,
            ', '.join((arg, getattr(self, arg, None)) % '%s=%r' for
                      arg in self.fields)
        )
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/jinja2-2.6/jinja2/nodes.py/Node.__repr__/swapped operands of `%`