Issues launching Anaconda apps

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Ivan Aguilar

Dec 31, 2020, 10:46:22 AM12/31/20
to Anaconda - Public
I am trying to open spyder , jupiter, and Rstudio but the following message appear and I have zero clue of whats happen and how to fix it. Please help:

Traceback (most recent call last):
File "C:\Users\Ivan\anaconda3\Scripts\", line 6, in
from notebook.notebookapp import main
File "C:\Users\Ivan\AppData\Roaming\Python\Python38\site-packages\notebook\", line 49, in
from zmq.eventloop import ioloop
File "C:\Users\Ivan\AppData\Roaming\Python\Python38\site-packages\zmq\", line 55, in
from zmq import backend
File "C:\Users\Ivan\AppData\Roaming\Python\Python38\site-packages\zmq\backend\", line 40, in
File "C:\Users\Ivan\AppData\Roaming\Python\Python38\site-packages\zmq\utils\", line 34, in reraise
raise value
File "C:\Users\Ivan\AppData\Roaming\Python\Python38\site-packages\zmq\backend\", line 27, in
_ns = select_backend(first)
File "C:\Users\Ivan\AppData\Roaming\Python\Python38\site-packages\zmq\backend\", line 28, in select_backend
mod = __import__(name, fromlist=public_api)
File "C:\Users\Ivan\AppData\Roaming\Python\Python38\site-packages\zmq\backend\cython\", line 6, in
from . import (constants, error, message, context,
ImportError: cannot import name 'constants' from partially initialized module 'zmq.backend.cython' (most likely due to a circular import) (C:\Users\Ivan\AppData\Roaming\Python\Python38\site-packages\zmq\backend\cython\

David Kun

Jan 8, 2021, 9:00:33 PMJan 8
to Anaconda - Public,
Can you do a "pip freeze" to get a list of all python packages & their versions?  

I wasn't able to reproduce the error using pyzmq version 20.0.0 in python 3.8.5.

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