Segmentation fault sometimes encountered at the end of run

[outs1der]

• beans version: <=2.80
• Python version: 3.8.12
• Operating System: macOS Ventura 13.3.1

Description

At the end of a run a Segmentation fault is sometimes encountered, following the autocorrelation plot step:

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Running analses with do_analysis...
** WARNING ** discarding burnin 2000 will leave too few steps (200 total), ignoring
The autocorrelation time for each parameter as calculated by emcee is: [ 95.98950977  97.67665904 100.4139989   94.46512299 109.10875376
 110.24860239 103.61368367 114.80621353]
  mean 103.3, min 94.5, max 114.8
plot_autocorr: saving figure as base17511_autocorrelationtimes.pdf
Segmentation fault
(beans) MU00153203X [1:24pm] [~/python/beans] > /Users/duncan/miniforge3/envs/beans/lib/python3.8/multiprocessing/resource_tracker.py:216: UserWarning: resource_tracker: There appear to be 7 leaked semaphore objects to clean up at shutdown
  warnings.warn('resource_tracker: There appear to be %d '

What I Did

This example was a restart, but not clear if that's what triggers the issue

>>> B.restart=True
>>> B.nsteps=800
>>> B.do_run()
** WARNING ** run will overwrite existing config file base17511.ini
              enter Y[RETURN] to continue: y