From cf9d55b81131cc6d037a7f6fe892d0d995783281 Mon Sep 17 00:00:00 2001
From: C Nelson <cnelsonsic@gmail.com>
Date: Fri, 6 Apr 2012 12:11:40 -0500
Subject: Adding a real check for unittest2 features.

original-commit-id: 8dc750b1e4c3882edb42f88c72a148275c9355b8
---
 crystal.py | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'crystal.py')

diff --git a/crystal.py b/crystal.py
index d303c9d..95b326d 100644
--- a/crystal.py
+++ b/crystal.py
@@ -16,6 +16,11 @@ try:
 except ImportError:
     import unittest
 
+# Check for things we need in unittest.
+if not hasattr(unittest.TestCase, 'setUpClass'):
+    print "The unittest2 module or Python 2.7 is required to run this script."
+    sys.exit(1)
+
 if not hasattr(json, "dumps"):
     json.dumps = json.write
 
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