From 890d94163b2f1b5c9344c8baf393744503075ec4 Mon Sep 17 00:00:00 2001
From: Athanasios Karmas <karmas@athenarc.gr>
Date: Mon, 6 Sep 2021 10:56:58 +0000
Subject: [PATCH] try to fix py2/3 ambiguity

---
 spack.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/spack.yaml b/spack.yaml
index cda42edc..5e498dd8 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -10,7 +10,7 @@ spack:
     # EBRAINS simulators
     #- nest@2.20.0 +python +gsl +mpi %gcc@10.3.0
     - nest@3.0 +python +gsl +mpi %gcc@10.3.0
-    - arbor +mpi %gcc@10.3.0
+    - arbor +mpi ^python@3:3.9 %gcc@10.3.0
     - neuron +mpi %gcc@10.3.0
     - py-pynn %gcc@10.3.0 
     # BrainScaleS (plus some constraining)
-- 
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