def client_increment_points(self):
     self._get_increment_points()
     client_increment = self._get_increment_points()["client_increment"]
     shared_increment = {
         key: value/2 for key, value in self._get_increment_points()["shared_increment"].items()
     }
     return dict_sum(client_increment, shared_increment)

 def _get_user_stories_points(self, user_stories):
     role_points = [us.role_points.all() for us in user_stories]
     flat_role_points = itertools.chain(*role_points)
     flat_role_dicts = map(lambda x: {x.role_id: x.points.value if x.points.value else 0}, flat_role_points)
     return dict_sum(*flat_role_dicts)

 def team_increment_points(self):
     team_increment = self._get_increment_points()["team_increment"]
     shared_increment = {
         key: value/2 for key, value in self._get_increment_points()["shared_increment"].items()
     }
     return dict_sum(team_increment, shared_increment)

 def future_client_increment(self):
     client_increment = self._get_points_increment(True, False)
     shared_increment = {key: value / 2 for key, value in self.future_shared_increment.items()}
     return dict_sum(client_increment, shared_increment)

 def future_team_increment(self):
     team_increment = self._get_points_increment(False, True)
     shared_increment = {key: value / 2 for key, value in self.future_shared_increment.items()}
     return dict_sum(team_increment, shared_increment)

 def closed_points(self):
     return dict_sum(*[ml.closed_points for ml in self.milestones.all()])