diff --git a/examples/simple-proliant.py b/examples/simple-proliant.py
index cf9fcfb..06a3bcf 100644
--- a/examples/simple-proliant.py
+++ b/examples/simple-proliant.py
@@ -47,7 +47,7 @@ except redfish.exception.RedfishException as e:
     sys.stderr.write(str(e.advices))
     sys.exit(1)
 
-print ("Redfish API version : %s \n" % remote_mgmt.get_api_version())
+print("Redfish API version : %s \n" % remote_mgmt.get_api_version())
 
 # Uncomment following line to reset the blade !!!
 # remote_mgmt.Systems.systems_dict["1"].reset_system()
diff --git a/tox.ini b/tox.ini
index fb6d14c..4fbc073 100644
--- a/tox.ini
+++ b/tox.ini
@@ -28,7 +28,7 @@ commands = python setup.py build_sphinx
 show-source = True
 ignore = E123,E125
 builtins = _
-exclude = .venv,.git,.tox,dist,doc,*lib/python*,*egg,build
+exclude = .venv,.git,.tox,dist,doc,*lib/python*,*egg,build,pbbuild,pbdelivery,pbconf,python-redfish-[01]*
 
 [testenv:venv]
 setenv = PYTHONHASHSEED=0