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.

BarrierTimeoutError must derive from Exception (#4157)
85b0ebe8 · Massimiliano Culpo · becker33 · cf93f494 · 85b0ebe8
Commit 85b0ebe8 authored 8 years ago by Massimiliano Culpo Committed by becker33 8 years ago
--- a/lib/spack/spack/util/multiproc.py
+++ b/lib/spack/spack/util/multiproc.py
@@ -92,5 +92,5 @@ def wait(self):
        self.turnstile2.release()


-class BarrierTimeoutError:
+class BarrierTimeoutError(Exception):
    pass