Issue with Pegasus installation

Varun Suraj

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Jul 15, 2021, 2:52:18 PM7/15/21

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Hi everyone,

I'm new to Pegasus and I'm currently trying to install the package, however I'm running into some problems during the installation process. I've been following the instructions on the Pegasus site to install the package. Yesterday, I was able to install and run Pegasus properly. However, today, when I go to relaunch my code, I get the following error:

Screen Shot 2021-07-15 at 2.29.43 PM.png

I get the error "ModuleNotFoundError: No module named 'numba.experimental.structref'". Again, this error did not appear the first time I ran Pegasus code, only the second time. Is there a solution to this issue? Thank you very much!

Best,

Varun Suraj

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Jul 16, 2021, 10:23:19 AM7/16/21

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One clarification: I installed Pegasus using the Conda instructions on the installation site. Thanks again!

Yiming Yang

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Jul 16, 2021, 7:51:32 PM7/16/21

to Varun Suraj, Cumulus Support

Hi Varun,

What are the versions of numba and umap-learn packages in your conda environment?

Sincerely,

Yiming

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Varun Suraj

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Jul 19, 2021, 9:18:48 AM7/19/21

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Hi Yiming,

Thanks for your response. In this Conda environment, I have numba==0.53.1 and umap-learn==0.5.1. I believe these are the most up-to-date versions of both packages.

Best,

Varun Suraj

Yiming Yang

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Jul 20, 2021, 1:54:19 PM7/20/21

to Varun Suraj, Cumulus Support

Yes, there should be no issue with these two packages' versions. Instead of keeping asking you the versions for multiple times, could you please send me the output of "pip list" command in your conda environment. This command returns a complete list of Python packages installed via pip in your conda. Thanks!

Sincerely,

Yiming

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Varun Suraj

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Jul 22, 2021, 10:08:13 AM7/22/21

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Here's what I get when I run "pip list"

Screen Shot 2021-07-22 at 10.02.33 AM.png

Screen Shot 2021-07-22 at 10.02.44 AM.png

Screen Shot 2021-07-22 at 10.02.53 AM.png

Screen Shot 2021-07-22 at 10.03.02 AM.png

Screen Shot 2021-07-22 at 10.03.18 AM.png

Thanks for your help!

Best,
Varun

Varun Suraj

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Jul 26, 2021, 10:55:27 AM7/26/21

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Hi,

This issue has been resolved. It was a problem with where packages were installing to. Instead of installing into my Conda environment, it went into user installation. I have fixed the issue, and am no longer getting the error. Thanks for your help.

Best,

Varun

Yiming Yang

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Jul 26, 2021, 2:33:29 PM7/26/21

to Varun Suraj, Cumulus Support

Hi Varun,

Glad that you figured out yourself! And thanks for letting us know. Just one quick follow-up: by saying "user installation", do you mean that your packages were installed somewhere like "/usr/local" or "/usr", instead of where your conda environment lives?

Sincerely,

Yiming

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Varun Suraj

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Aug 2, 2021, 11:43:27 AM8/2/21

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Yes, that's exactly what I mean. Packages installed into the local installation rather than into the Conda environment. Again, thanks for your help.

Yiming Yang

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Aug 2, 2021, 4:54:51 PM8/2/21

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Got it! And thank you very much for your feedback. I believe your case and solution will be of grate value for other users.