I get the following error while running Prefect in...
# ask-communityx
Xavier Babu
03/02/2022, 5:55 PMI get the following error while running Prefect in Windows.
ImportError: cannot import name 'ThreadedChildWatcher' from 'asyncio' (C:\Users\xbabu\Babu\anaconda3\envs\prefect-dev\lib\asyncio\__init__.py)
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Kevin Kho
03/02/2022, 5:57 PM
Hi @Xavier Babu, I think this is a version mismatch. This is for Orion right? Does it work on another OS?
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Xavier Babu
03/02/2022, 5:58 PMYes, it is for Orion. It works in my Linux Server. Only on Windows I get this error. How to resolve this issue?
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Kevin Kho
03/02/2022, 5:59 PM
What are the asyncio versions for each? You can check with
pip show asynciox
Xavier Babu
03/02/2022, 5:59 PM3.4.3
Xavier Babu
03/02/2022, 6:00 PMDo I need to use any older version of asyncio to make it work?
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Kevin Kho
03/02/2022, 6:00 PM
I’m not sure. We can check the requirements one sec .What is the version on the working one?
Kevin Kho
03/02/2022, 6:01 PM
there is no explicit version in the requirements.txt, but we could add one if it makes sense
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Anna Geller
03/02/2022, 6:03 PM
you can't run Orion currently on Windows - check out this Discourse topic https://discourse.prefect.io/t/when-running-any-orion-flow-im-getting-the-error-cannot-[…]t-name-threadedchildwatcher-from-asyncio-how-to-fix-it/393
upvote 1
Anna Geller
03/02/2022, 6:04 PM
We are aware of the issue and it may take time until Windows support gets added. For now, you can use WSL or run Orion on a VM
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Xavier Babu
03/02/2022, 6:15 PMwhat is WSL?
Xavier Babu
03/02/2022, 6:16 PMYou mean Subsystem for Linux. Got it
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Xavier Babu
03/02/2022, 6:43 PMI heard we get official release of Prefect Orion in March. Do you know the date?
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Kevin Kho
03/02/2022, 6:45 PM
I think end of march is when it goes off technical preview…but I don’t think that implies Windows support necessarily 😅
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Xavier Babu
03/02/2022, 6:46 PMnot for Windows. Release date for Linux only.
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