From e359a7ca5917af011d28fb01028e9420a3209cac Mon Sep 17 00:00:00 2001
From: Kelly Thompson <KineticTheory@users.noreply.github.com>
Date: Fri, 14 Oct 2016 13:00:43 -0600
Subject: [PATCH] Add missing 'import os'. (#2012)

---
 var/spack/repos/builtin/packages/mpich/package.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/var/spack/repos/builtin/packages/mpich/package.py b/var/spack/repos/builtin/packages/mpich/package.py
index bb034f9fc7..940a44a1b4 100644
--- a/var/spack/repos/builtin/packages/mpich/package.py
+++ b/var/spack/repos/builtin/packages/mpich/package.py
@@ -23,6 +23,7 @@
 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 ##############################################################################
 from spack import *
+import os
 
 
 class Mpich(Package):
-- 
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