ImportError: cannot import name '_endpoint_from_view_func' from 'flask.helpers'

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Environment

• Are you using the module on a VPS or other Cloud hosting?
• Are you using the module on a Raspberry Pi?

What kind of internet connection do you have?

Cable
Include here a description of your internet access like cable, lte and up and download rate.

Whatever COX cable provides the highest bandwidth for residential access

Average system load (CPU)

%55
Include here the ammount of cpu cores and the average system load.

4

Hardware specification

Include here a description of the server hardware.

3.2 GHz 6-Core Intel Core i7 64 GB 2667 MHz DDR4

Operating System? (include version)

• [ X] macOS Catalina 10.15.7
• Windows
• Linux (include flavour)

Options

• stream_buffer
• process_stream_data

Which endpoint do you connect?

Include here the endpint you are connecting to, like binance.com, binance.com-isolated_margin or binance.org-testnet

binance-us

Python Version Requirement

• [ X] I am using Python 3.6.1 or above

Exact Python Version?

Include here the response of 'python --version' AND 'python3 --version'

(venv3) > $ python --version
Python 3.8.2

(venv3) > $ python3 --version
Python 3.8.2

Pip Version?

Include here the response of 'python3 -m pip --version' or 'pip3 --version'

pip 21.1.1 from /Users/matlihan/venv3/lib/python3.8/site-packages/pip (python 3.8)

Dependencies

Run pip list > pip_list.txt and upload the file.

Package Version

---

aniso8601 9.0.1 certifi 2020.12.5 chardet 4.0.0 cheroot 8.5.2 click 8.0.0 coach 1.0.0 colorama 0.4.4 Flask 2.0.0 Flask-RESTful 0.3.8 idna 2.10 itsdangerous 2.0.0 jaraco.functools 3.3.0 Jinja2 3.0.0 MarkupSafe 2.0.0 more-itertools 8.7.0 numpy 1.20.1 pathlib 1.0.1 pip 21.1.1 poloniex 0.0.17 poloniexapi 0.5.7 psutil 5.8.0 pytz 2021.1 pyzmq 22.0.3 requests 2.25.1 setuptools 54.1.2 six 1.15.0 ujson 4.0.2 unicorn-binance-websocket-api 1.30.0 unicorn-fy 0.11.0 urllib3 1.26.4 websocket-client 0.58.0 websockets 8.1 Werkzeug 2.0.0

UNICORN Binance WebSocket API Version?

Latest
Did you upgrade to the latest release version with `pip install unicorn-binance-websocket-api --upgrade`?
Yes

Please control what version you are using with this script and post the output: https://github.com/oliver-zehentleitner/unicorn-binance-websocket-api/blob/master/tools/get_used_module_version.py

Description of your issue

Attempted to run binance-us example posted here  which results in an import error stated below. 
https://github.com/oliver-zehentleitner/unicorn-binance-websocket-api/blob/master/example_binance_us.py

Include the contents of the log file here. (REMOVE API_KEY, API_SECRET, LISTEN_KEY!!)

/Users/matlihan/venv3/bin/python /Users/matlihan/dev/c/tabox/trunk/apps/lua/modules/broker/Binance.py Traceback (most recent call last): File “/Users/matlihan/dev/c/tabox/trunk/apps/lua/modules/broker/Binance.py”, line 36, in <module> from unicorn_binance_websocket_api.unicorn_binance_websocket_api_manager import BinanceWebSocketApiManager File “/Users/matlihan/venv3/lib/python3.8/site-packages/unicorn_binance_websocket_api/init.py”, line 3, in <module> from unicorn_binance_websocket_api.unicorn_binance_websocket_api_manager import BinanceWebSocketApiManager File “/Users/matlihan/venv3/lib/python3.8/site-packages/unicorn_binance_websocket_api/unicorn_binance_websocket_api_manager.py”, line 40, in <module> from .unicorn_binance_websocket_api_restserver import BinanceWebSocketApiRestServer File “/Users/matlihan/venv3/lib/python3.8/site-packages/unicorn_binance_websocket_api/unicorn_binance_websocket_api_restserver.py”, line 36, in <module> from flask_restful import Resource File “/Users/matlihan/venv3/lib/python3.8/site-packages/flask_restful/init.py”, line 14, in <module> from flask.helpers import _endpoint_from_view_func ImportError: cannot import name ‘_endpoint_from_view_func’ from ‘flask.helpers’ (/Users/matlihan/venv3/lib/python3.8/site-packages/flask/helpers.py)

Process finished with exit code 1

[Mertalp-Ocal]

Downgrading flask solved the problem for me: pip install flask==1.1.2

[oliver-zehentleitner]

It seems to be solved in upstream: https://github.com/flask-restful/flask-restful/pull/913

Does everything work again as it should?