diff --git a/apiclient/discovery.py b/apiclient/discovery.py
index 9eec549..765db3f 100644
--- a/apiclient/discovery.py
+++ b/apiclient/discovery.py
@@ -30,7 +30,7 @@
 import urlparse
 from apiclient.http import HttpRequest
 
-try:
+try: # pragma: no cover
   import simplejson
 except ImportError:
   try: