Traceback (most recent call last):


 "/usr/lib/python-exec/python3.5/nikola", line 11, in <module>

load_entry_point('Nikola==7.8.15', 'console_scripts', 'nikola')()


 "/usr/lib64/python3.5/site-packages/pkg_resources/__init__.py", line 479, in load_entry_point

return get_distribution(dist).load_entry_point(group, name)


 "/usr/lib64/python3.5/site-packages/pkg_resources/__init__.py", line 2703, in load_entry_point

return ep.load()


 "/usr/lib64/python3.5/site-packages/pkg_resources/__init__.py", line 2321, in load

return self.resolve()


 "/usr/lib64/python3.5/site-packages/pkg_resources/__init__.py", line 2327, in resolve

module = __import__(self.module_name, fromlist=['__name__'], level=0)


 "/usr/lib64/python3.5/site-packages/nikola/__init__.py", line 35, in <module>

from .nikola import Nikola
# NOQA


 "/usr/lib64/python3.5/site-packages/nikola/nikola.py", line 62, in <module>

from .post import Post
# NOQA


 "/usr/lib64/python3.5/site-packages/nikola/post.py", line 44, in <module>

from . import utils


 "/usr/lib64/python3.5/site-packages/nikola/utils.py", line 49, in <module>

import logbook


 "/usr/lib64/python3.5/site-packages/logbook/__init__.py", line 14, in <module>

from .base import (


 "/usr/lib64/python3.5/site-packages/logbook/base.py", line 19, in <module>

from logbook.concurrency import (greenlet_get_ident, thread_get_ident,


 "/usr/lib64/python3.5/site-packages/logbook/concurrency.py", line 31, in <module>

from gevent._threading import (Lock as ThreadLock,
ImportError: cannot import name 'RLock'

The result of running is `Traceback (most recent call last):


 "...................", line 1, in <module>

from pydantic.typing import AbstractSetIntStr
ImportError: cannot import name 'AbstractSetIntStr' from 'pydantic.typing' (/home/backprop/PycharmProjects/pythonProject/venv/lib/python3.8/site-packages/pydantic/typing.cpython-38-x86_64-linux-gnu.so)`