ImportError: cannot import name

sudo vim __init__.py

添加以下：

from werkzeug.utils import cached_property

位置：ubuntu: /usr/local/lib/python3.6/dist-packages/werkzeug

修改后：

"""

werkzeug

~~~~~~~~

Werkzeug is the Swiss Army knife of Python web development.

It provides useful classes and functions for any WSGI application to

make the life of a Python web developer much easier. All of the provided

classes are independent from each other so you can mix it with any other

library.

:copyright: 2007 Pallets

:license: BSD-3-Clause

"""

from .serving import run_simple

from .test import Client

from .wrappers import Request

from .wrappers import Response

from werkzeug.utils import cached_property

__version__ = "1.0.0"