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-rw-r--r--gnu/packages/machine-learning.scm10
1 files changed, 8 insertions, 2 deletions
diff --git a/gnu/packages/machine-learning.scm b/gnu/packages/machine-learning.scm
index 2dc7dc81ef..dd5ee1e9ee 100644
--- a/gnu/packages/machine-learning.scm
+++ b/gnu/packages/machine-learning.scm
@@ -821,8 +821,14 @@ computing environments.")
              (setenv "HOME" "/tmp")
 
              (invoke "pytest" "sklearn" "-m" "not network")))
-         ;; FIXME: This fails with permission denied
-         (delete 'reset-gzip-timestamps))))
+         (add-before 'reset-gzip-timestamps 'make-files-writable
+           (lambda* (#:key outputs #:allow-other-keys)
+             ;; Make sure .gz files are writable so that the
+             ;; 'reset-gzip-timestamps' phase can do its work.
+             (let ((out (assoc-ref outputs "out")))
+               (for-each make-file-writable
+                         (find-files out "\\.gz$"))
+               #t))))))
     (inputs
      `(("openblas" ,openblas)))
     (native-inputs