Error: "ImportError: cannot import name 'constants' from partially initialized module 'zmq.backend.cython' (most likely due to a circular import)" is shown when using Jupyter Flow tool

[clarab]

Error: “ImportError: cannot import name 'constants' from partially initialized module 'zmq.backend.cython' (most likely due to a circular import) ”

 

Environment Details

 

The Jupyter Flow tool fails with the following error in the "jupyter_flow_xxxx.log" file when running a notebook created externally:
 

ImportError: cannot import name 'constants' from partially initialized module 'zmq.backend.cython' (most likely due to a circular import) 

 
Another possible error:

ImportError: cannot import name '_device' from partially initialized module 'zmq.backend.cython' (most likely due to a circular import)

 
 

• Alteryx Designer
  • Version >= 2020.4
• Jupyter Flow tool

Cause

 

The external Python environment is using a different Python version other than 3.8.5. 

Resolution

Ensure that the external Python environment is using Python version 3.8.5.

Additional Resources

• Introducing the Jupyter Flow Tool
• Jupyter Flow Basic Guide
• Jupyter Flow FAQ
• Jupyter Flow