From 85b0ebe83644d4d223f6a580b51a015de4b76ac7 Mon Sep 17 00:00:00 2001
From: Massimiliano Culpo <massimiliano.culpo@googlemail.com>
Date: Mon, 8 May 2017 07:06:39 +0200
Subject: BarrierTimeoutError must derive from Exception (#4157)

Seen in https://travis-ci.org/LLNL/spack/builds/229484526, very likely
due to a problem in the Travis builder.
---
 lib/spack/spack/util/multiproc.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/spack/spack/util/multiproc.py b/lib/spack/spack/util/multiproc.py
index 91bac57c26..f465a3dbdc 100644
--- a/lib/spack/spack/util/multiproc.py
+++ b/lib/spack/spack/util/multiproc.py
@@ -92,5 +92,5 @@ class Barrier:
         self.turnstile2.release()
 
 
-class BarrierTimeoutError:
+class BarrierTimeoutError(Exception):
     pass
-- 
cgit v1.2.3-60-g2f50