From 2d87bb92edb95cf1c9ec7d58f5d8a34e44bd11a4 Mon Sep 17 00:00:00 2001
From: Mario Melara <maamelara@gmail.com>
Date: Fri, 30 Oct 2015 15:58:20 -0700
Subject: [PATCH] Changed front-end and back-end to front_end and back_end to
 avoid error

---
 lib/spack/spack/architecture.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/spack/spack/architecture.py b/lib/spack/spack/architecture.py
index 3f38540c0e..f488b65cc6 100644
--- a/lib/spack/spack/architecture.py
+++ b/lib/spack/spack/architecture.py
@@ -74,8 +74,8 @@ class Architecture(object):
     """
 
     priority        = None # Subclass needs to set this number. This controls order in which arch is detected.
-    front-end       = None
-    back-end        = None
+    front_end       = None
+    back_end        = None
     default         = None # The default back end target. On cray ivybridge
 
     def __init__(self, name):