Returns a list of current scores for the given events.

        :param list update_keys: The filter to select desired markets. All markets that match
        the criteria in the filter are selected e.g. [{'eventId': '28205674', 'lastUpdateSequenceProcessed': 2}]
        :param requests.session session: Requests session object
        :param bool lightweight: If True will return dict not a resource

        :rtype: list[resources.Score]

def list_scores(self, update_keys, session=None, lightweight=None):
        """
        Returns a list of current scores for the given events.

        :param list update_keys: The filter to select desired markets. All markets that match
        the criteria in the filter are selected e.g. [{'eventId': '28205674', 'lastUpdateSequenceProcessed': 2}]
        :param requests.session session: Requests session object
        :param bool lightweight: If True will return dict not a resource

        :rtype: list[resources.Score]
        """
        params = clean_locals(locals())
        method = '%s%s' % (self.URI, 'listScores')
        (response, elapsed_time) = self.request(method, params, session)
        return self.process_response(response, resources.Score, elapsed_time, lightweight)