Use print() function in both Python 2 and Python 3 (#722)
* Use print() function in both Python 2 and Python 3
Legacy __print__ statements are syntax errors in Python 3 but __print()__ function works as expected in both Python 2 and Python 3.
* Fix undefined names
diff --git a/samples/audit/audit.py b/samples/audit/audit.py
index 97f2773..839a8c3 100644
--- a/samples/audit/audit.py
+++ b/samples/audit/audit.py
@@ -38,6 +38,7 @@
__author__ = 'rahulpaul@google.com (Rahul Paul)'
import pprint
+import re
import sys
from oauth2client import client