def get_productivity_stats(self):
        """Return the user's productivity stats.

        :return: A JSON-encoded representation of the user's productivity
            stats.
        :rtype: A JSON-encoded object.

        >>> from pytodoist import todoist
        >>> user = todoist.login('john.doe@gmail.com', 'password')
        >>> stats = user.get_productivity_stats()
        >>> print(stats)
        {"karma_last_update": 50.0, "karma_trend": "up", ... }
        """
        response = API.get_productivity_stats(self.api_token)
        _fail_if_contains_errors(response)
        return response.json()
Return the user's productivity stats.

        :return: A JSON-encoded representation of the user's productivity
            stats.
        :rtype: A JSON-encoded object.

        >>> from pytodoist import todoist
        >>> user = todoist.login('john.doe@gmail.com', 'password')
        >>> stats = user.get_productivity_stats()
        >>> print(stats)
        {"karma_last_update": 50.0, "karma_trend": "up", ... }