diff --git a/google/cloud/client.py b/google/cloud/client.py
index c103ae3..c975b12 100644
--- a/google/cloud/client.py
+++ b/google/cloud/client.py
@@ -193,6 +193,7 @@ def close(self):
         Suggested use:
 
         .. code-block:: python
+
            import contextlib
 
            with contextlib.closing(client):  # closes on exit