diff --git a/dlp/nox.py b/dlp/nox.py
index 3a4b4bbb94844..550d58d62774f 100644
--- a/dlp/nox.py
+++ b/dlp/nox.py
@@ -14,9 +14,10 @@
 
 from __future__ import absolute_import
 
-import nox
 import os
 
+import nox
+
 
 @nox.session
 @nox.parametrize('python_version', ['2.7', '3.4', '3.5', '3.6'])
@@ -44,6 +45,7 @@ def system_tests(session, python_version):
 
     # Sanity check: Only run system tests if the environment variable is set.
     if not os.environ.get('GOOGLE_APPLICATION_CREDENTIALS', ''):
+        print(session)
         session.skip('Credentials must be set via environment variable.')
 
     # Run unit tests against all supported versions of Python.