Spyder wird unter Windows nicht über Anaconda Navigator gestartet ⇐ Python

[Anonymous]

Beim Starten von Spyder über Anaconda Navigator oder direkt über das Menü wird die folgende Fehlermeldung angezeigt:

Code: Select all

Traceback (most recent call last):
File "C:\Users\charchil\anaconda3\Scripts\spyder-script.py", line 6, in
from spyder.app.start import main
File "C:\Users\charchil\anaconda3\lib\site-packages\spyder\app\start.py", line 22, in
import zmq
File "C:\Users\charchil\AppData\Roaming\Python\Python37\site-packages\zmq_init_.py", line 47, in
from zmq import backend
File "C:\Users\charchil\AppData\Roaming\Python\Python37\site-packages\zmq\backend_init_.py", line 40, in
reraise(*exc_info)
File "C:\Users\charchil\AppData\Roaming\Python\Python37\site-packages\zmq\utils\sixcerpt.py", line 34, in
reraise raise value
File "C:\Users\charchil\AppData\Roaming\Python\Python37\site-packages\zmq\backend_init_.py", line 27, in
ns = select_backend(first)
File "C:\Users\charchil\AppData\Roaming\Python\Python37\site-packages\zmq\backend\select.py", line 28, in
select_backend mod = import(name, fromlist=public_api)
File "C:\Users\charchil\AppData\Roaming\Python\Python37\site-packages\zmq\backend\cython_init.py", line 6, in
from . import (constants, error, message, context,
ImportError: cannot import name 'constants' from 'zmq.backend.cython' (C:\Users\charchil\AppData\Roaming\Python\Python37\site-packages\zmq\backend\cython_init_.py)