@abc.abstractmethod
    def mark_conversion(self, experiment_name, variant):
        return  # pragma: nocover
Get the file associated with this session key.
dataset/ETHPy150Open ryanpetrello/cleaver/cleaver/backend/__init__.py/CleaverBackend.mark_conversion--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/contrib/sessions/backends/file.py/SessionStore._key_to_file