Traceback (most recent call last):
File "run_app.py", line 1, in
from rasa_core.channels.slack import SlackInput
File "/usr/local/lib/python3.5/dist-packages/rasa_core/channels/init.py", line 17, in
from rasa_core.channels.console import CmdlineInput # nopep8
File "/usr/local/lib/python3.5/dist-packages/rasa_core/channels/console.py", line 2, in
import questionary
File "/usr/local/lib/python3.5/dist-packages/questionary/init.py", line 7, in
from questionary.prompt import prompt
File "/usr/local/lib/python3.5/dist-packages/questionary/prompt.py", line 8, in
from questionary.prompts import AVAILABLE_PROMPTS, prompt_by_name
File "/usr/local/lib/python3.5/dist-packages/questionary/prompts/init.py", line 2, in
from questionary.prompts import text
File "/usr/local/lib/python3.5/dist-packages/questionary/prompts/text.py", line 11, in
from questionary.prompts.common import build_validator
File "/usr/local/lib/python3.5/dist-packages/questionary/prompts/common.py", line 252, in
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
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