electrophysiology: python-eeg-positions: Fix build.

* guix-science/packages/electrophysiology.scm (python-eeg-positions)
  [arguments]<#:phases>: Set Numba cache directory to a writable location.

1 files changed, 6 insertions, 1 deletions

diff --git a/guix-science/packages/electrophysiology.scm b/guix-science/packages/electrophysiology.scm
index e27fdf2..35e28a6 100644
--- a/guix-science/packages/electrophysiology.scm
+++ b/guix-science/packages/electrophysiology.scm
@@ -869,7 +869,12 @@ files.")
             (lambda _
               (substitute* "pyproject.toml"
                 (("addopts.*")
-                 "")))))))
+                 ""))))
+
+          (add-before 'check 'set-numba-cache-dir
+            (lambda _
+              (setenv "NUMBA_CACHE_DIR"
+                      (getcwd)))))))
     (propagated-inputs (list python-matplotlib python-numpy python-pandas))
     (native-inputs (list python-hatch-vcs python-hatchling python-mne
                          python-pytest))