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-rw-r--r--extras/crystal.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/extras/crystal.py b/extras/crystal.py
index 820e4c258..6f6ba09a1 100644
--- a/extras/crystal.py
+++ b/extras/crystal.py
@@ -21,7 +21,7 @@ import string
# 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.stderr.write("The unittest2 module or Python 2.7 is required to run this script.")
sys.exit(1)
if not hasattr(json, "dumps"):