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Changes between Initial Version and Version 1 of Ticket #36083, comment 3

-              initial
+              v1
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 I tested two solutions, both of which work:
 . Running system checks inside each worker thread, to ensure the side effect described above is executed in each process:
+. Running system checks inside each worker, to ensure the side effect described above is executed in each process:
 {{{#!diff
 diff --git a/django/test/runner.py b/django/test/runner.py
 …
 Adam, what do you think? Would you like to prepare a patch with a regression test?
+If folks cannot reproduce the issue, I would venture a guess that it's due to the difference between `"spawn"` and `"fork"` defaults. I tested on MacOS where the default is spawn.