Google API和Directory SDK：获取每个域的组数：HttpError（“ group”）

我正在尝试获取每个用户域的组数。因此，我首先从Directory APi.Users和primaryEmail字段中获取用户域，然后获取每个域的组数。

收集域的第一部分得到正确的结果。第二部分提出<class 'apiclient.errors.HttpError'>了一个exception.message = "group"（确实不是很有用）。仅针对某些域而不是全部域引发例外。

这是一个片段：

def groupsPerDomain():
    #code that gets domains... omitted for brevity
    #domain_stats = {domainName: <some group info>,...}
    #service directory is a directory service instance
    groups_sub = service_directory.groups()
    for domain in domain_stats:
        request = groups_sub.list(domain=domain, 
              fields="groups(directMembersCount,id,name)")
        domain_groups_count = 0
        while request != None:
            groups_page = request.execute() #THE EXCEPTION IS RAISED HERE
            #count groups per domain
            domain_groups_count += len(groups_page["groups"]) 
            request = groups_sub.list_next(request, groups_page)
        #save counted groups per domain
        domain_stats[domain]["group_count"] = domain_groups_count

    return domain_stats

谢谢。