def count_posts(self, tag=None, user_id=None, include_draft=False):
        raise NotImplementedError("This method needs to be implemented by the "
                                  "inheriting class")
Initializes a new version of the App class
dataset/ETHPy150Open gouthambs/Flask-Blogging/flask_blogging/storage.py/Storage.count_posts--crossover with--dataset/ETHPy150Open kbknapp/Clapp-py/clapp/clapp.py/App.__init__