From a41f93c39d03143ce9007ad278a04fa30498bc0b Mon Sep 17 00:00:00 2001
From: Efraim Flashner <efraim@flashner.co.il>
Date: Tue, 26 Oct 2021 09:01:27 +0300
Subject: gnu: python-joblib: Run test suite sequentially.

* gnu/packages/python-xyz.scm (python-joblib)[arguments]: Adjust custom
'check phase to run the test suite sequentially.
---
 gnu/packages/python-xyz.scm | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gnu/packages/python-xyz.scm b/gnu/packages/python-xyz.scm
index cc724ed153..da3402477e 100644
--- a/gnu/packages/python-xyz.scm
+++ b/gnu/packages/python-xyz.scm
@@ -4010,6 +4010,7 @@ logic-free templating system Mustache.")
          (replace 'check
            (lambda* (#:key tests? #:allow-other-keys)
              (when tests?
+               (setenv "JOBLIB_MULTIPROCESSING" "0")
                (invoke "pytest" "-v" "joblib")))))))
     (native-inputs
      `(("python-pytest" ,python-pytest)))
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