ExpatError:rtclien中格式不正确（令牌无效）

Question

根据doc，我试图使用rtcclientpython包从RTC工具中提取工作项。在

我正在使用以下代码片段：

from rtcclient.utils import setup_basic_logging
from rtcclient import RTCClient
setup_basic_logging()
user = "prabhakar_gadupudi"
url = "https://jazz.net/jazz/"
passwd = "password@123"
proxies = {
        'http': 'http://<usrname>:<passowrd>@<ip>:<port>',
        'https': 'https://<usrname>:<passowrd>@<ip>:<port>',
    }
myclient = RTCClient(url, user, passwd, proxies=proxies)
print myclient

returned_properties = "dc:title,dc:identifier,rtc_cm:state,rtc_cm:ownedBy"
workitems_list = myclient.getWorkitems(projectarea_id=None, projectarea_name=None, returned_properties=returned_properties)
print workitems_list

在执行此操作时，我得到以下错误。在

^{pr2}$

有人能帮我吗？在