def chatpeers_get(self, from_id, to_id, start_date, end_date, session):
        '''taobao.wangwang.eservice.chatpeers.get 获取聊天对象列表，查询时间段<=7天,只支持xml返回'''
        request = TOPRequest('taobao.wangwang.eservice.chatpeers.get')
        request['from_id'] = from_id
        request['to_id'] = to_id
        request['start_date'] = start_date
        request['end_date'] = end_date
        self.create(self.execute(request, session))
        return self.msgs
taobao.wangwang.eservice.chatpeers.get 获取聊天对象列表，查询时间段<=7天,只支持xml返回