diff --git a/sample_project/app/tests.py b/sample_project/app/tests.py
index b640a90..87d74c1 100644
--- a/sample_project/app/tests.py
+++ b/sample_project/app/tests.py
@@ -1,7 +1,7 @@
 try:
-    import httplib
+    import httplib  # Python 2
 except ImportError:
-    import http.client as httplib
+    import http.client as httplib  # Python 3
 
 import json
 import uuid