diff --git a/zephyr/tests.py b/zephyr/tests.py
index 6d97109b96..b07ca5b30f 100644
--- a/zephyr/tests.py
+++ b/zephyr/tests.py
@@ -33,6 +33,8 @@ try:
 except:
     bail('Test suite only runs correctly with --settings=humbug.test_settings')
 
+# Even though we don't use pygments directly in this file, we need
+# this import.
 try:
     import pygments
 except ImportError: