def _add_capacity_info_for_single_developer(self, dev, member, start, end): if dev is None: dev = ValueObject(dict(name=member.name, load=None)) dev.full_name = member.full_name dev.email = member.email hours_by_day = member.calendar.get_hours_for_interval(start, end) self._calculate_capacity_for_developer(dev, hours_by_day) return dev