def iter_next(self, iterobj):
    fnty = Type.function(self.pyobj, [self.pyobj])
    fn = self._get_function(fnty, name='PyIter_Next')
    return self.builder.call(fn, [iterobj])
def iter_next(self, iterobj):
    fnty = Type.function(self.pyobj, [self.pyobj])
    fn = self._get_function(fnty, name='PyIter_Next')
    return self.builder.call(fn, [iterobj])