Python kernel stalling after running any il.groupcat.load() function

Sophia Myers

Hi! I am currently working in the JupyterLab notebook workspace, and I have noticed Python repeatedly beginning to stall while trying to retrieve any amount of simulation data. I have been running the same lines of code for several weeks with no issue up until now, but I have been unable to figure out what could have changed over that time period to make the kernel fail. I have also tried running the same code in multiple different notebooks (including the tutorial files) with the same issue happening: the kernel runs indefinitely with no uptick in memory. I'm wondering if an environment reset may be necessary?

For reference, I am using the Python 3 kernel with version 3.11.4 and only trying to retrieve the fields "SubhaloCM" and "SubhaloPos" from snapshot 67. I thought it might have just arose from trying to load in too much data at once, but even retrieving a single field fails. I have also downgraded to numpy 1.26.4 in case that might affect anything. Thank you in advance for your help!

Pedro Cataldi
  • 9 Apr

Hi, I have been experiencing the same issue over the last couple of days. It seems there is a problem with JupyterLab itself, rather than with any particular account.

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