Return an iterator with all pages of data.
           Return NoResultsError with response if there is unexpected data.

def results(self, *args, **kwargs):
        """
           Return an iterator with all pages of data.
           Return NoResultsError with response if there is unexpected data.
        """
        def worker():
            kwargs['page'] = 1
            while True:
                response = self.client(*args, **kwargs)
                if isinstance(response, list):
                    yield response
                    break
                elif _is_page(response):
                    yield response['results']
                    if response['next']:
                        kwargs['page'] += 1
                    else:
                        break
                else:
                    raise NoResultsError(response)

        return itertools.chain.from_iterable(worker())