尝试运行在我的本地计算机上运行良好的程序，但是在AWS上，我得到了：TypeError：“类型”对象的描述符“ 子类”需要一个参数。 我的pip3没有升级到最新版本，但这应该不会引起问题，因为我已经下载了最新版本的rasa_core。
尝试使用pip3 -u rasa_core重新安装rasa_core，还尝试使用sudo追加命令。 这是我得到的错误，有人可以帮忙吗
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/home/ubuntu/.local/lib/python3.5/site-packages/rasa_core/__init__.py", line 5, in <module>
from rasa_core.train import train
File "/home/ubuntu/.local/lib/python3.5/site-packages/rasa_core/train.py", line 11, in <module>
from rasa_core.domain import TemplateDomain
File "/home/ubuntu/.local/lib/python3.5/site-packages/rasa_core/domain.py", line 12, in <module>
from rasa_core.actions import Action, action
File "/home/ubuntu/.local/lib/python3.5/site-packages/rasa_core/actions/__init__.py", line 1, in <module>
from rasa_core.actions.action import Action
File "/home/ubuntu/.local/lib/python3.5/site-packages/rasa_core/actions/action.py", line 9, in <module>
from rasa_core import events
File "/home/ubuntu/.local/lib/python3.5/site-packages/rasa_core/events/__init__.py", line 73, in <module>
class Event(object):
File "/home/ubuntu/.local/lib/python3.5/site-packages/rasa_core/events/__init__.py", line 94, in Event
default: Optional[Type['Event']] = None
File "/usr/lib/python3.5/typing.py", line 649, in __getitem__
return Union[arg, type(None)]
File "/usr/lib/python3.5/typing.py", line 552, in __getitem__
dict(self.__dict__), parameters, _root=True)
File "/usr/lib/python3.5/typing.py", line 512, in __new__
for t2 in all_params - {t1} if not isinstance(t2, TypeVar)):
File "/usr/lib/python3.5/typing.py", line 512, in <genexpr>
for t2 in all_params - {t1} if not isinstance(t2, TypeVar)):
File "/usr/lib/python3.5/typing.py", line 1077, in __subclasscheck__
if super().__subclasscheck__(cls):
File "/usr/lib/python3.5/abc.py", line 225, in __subclasscheck__
for scls in cls.__subclasses__():
TypeError: descriptor '__subclasses__' of 'type' object needs an argument
有人可以帮忙吗？