Paren wrap integration print().

tox.ini

@@ -24,4 +24,4 @@ commands =
     generate_validation: python setup.py generate_validation
     # TODO(rhcarvalho): check syntax of other important entrypoint playbooks
     ansible_syntax: python setup.py ansible_syntax
-    integration: python -c 'print "run test/integration/run-tests.sh"'
+    integration: python -c 'print("run test/integration/run-tests.sh")'