NotImplementedError: Do not use the abstract class EFBMsgAttribute about efb-wechat-slave HOT 5 CLOSED

2019-02-18 15:53:39,907 [ERROR]: efb_wechat_slave.wxpy.api.bot (bot.process; bot.py:459)
    an error occurred in <bound method SlaveMessageManager.wechat_sharing_msg of <efb_wechat_slave.slave_message.SlaveMessageManager object at 0x7f2939b9b400>>.
Traceback (most recent call last):
  File "/root/miniconda3/envs/efb/lib/python3.7/site-packages/efb_wechat_slave/wxpy/api/bot.py", line 455, in process
    ret = config.func(msg)
  File "/root/miniconda3/envs/efb/lib/python3.7/site-packages/efb_wechat_slave/slave_message.py", line 186, in wechat_sharing_msg
    self.wechat_raw_link_msg(msg, i.title, i.summary, i.cover, i.url)
  File "/root/miniconda3/envs/efb/lib/python3.7/site-packages/efb_wechat_slave/slave_message.py", line 78, in thread_wrapper
    threading.Thread(target=wrap_func, args=args, kwargs=kwargs).run()
  File "/root/miniconda3/envs/efb/lib/python3.7/threading.py", line 865, in run
    self._target(*self._args, **self._kwargs)
  File "/root/miniconda3/envs/efb/lib/python3.7/site-packages/efb_wechat_slave/slave_message.py", line 53, in wrap_func
    efb_msg: EFBMsg = func(self, msg, *args, **kwargs)
  File "/root/miniconda3/envs/efb/lib/python3.7/site-packages/efb_wechat_slave/slave_message.py", line 248, in wechat_raw_link_msg
    url=url
  File "/root/miniconda3/envs/efb/lib/python3.7/site-packages/ehforwarderbot/message.py", line 210, in __init__
    super().__init__()
  File "/root/miniconda3/envs/efb/lib/python3.7/site-packages/ehforwarderbot/message.py", line 179, in __init__
    raise NotImplementedError("Do not use the abstract class EFBMsgAttribute")
NotImplementedError: Do not use the abstract class EFBMsgAttribute