def get_item_count(self):
        raise NotImplementedError
Adds or updates the specified policy document for the specified user.
dataset/ETHPy150Open enthought/pyface/pyface/list_box_model.py/ListBoxModel.get_item_count--crossover with--dataset/ETHPy150Open darcyliu/storyboard/boto/iam/connection.py/IAMConnection.put_user_policy