diff --git a/tests/test_worker_controller.py b/tests/test_worker_controller.py
index a2884c0a..f2ca79c8 100644
--- a/tests/test_worker_controller.py
+++ b/tests/test_worker_controller.py
@@ -105,4 +105,3 @@ class TestWorkerController(unittest.TestCase):
         response = controller.run()
         self.assertIn(c.RESPONSE_FIELD, response)
         self.assertEquals(response[c.RESPONSE_FIELD], c.RESPONSE_FAILURE)
-
diff --git a/tox.ini b/tox.ini
index 37f0fa6e..d0927428 100644
--- a/tox.ini
+++ b/tox.ini
@@ -6,10 +6,13 @@ deps = -r{toxinidir}/tools/pip-requires
        -r{toxinidir}/tools/test-requires
 commands = py.test {posargs}
 
+[tox:jenkins]
+downloadcache = ~/cache/pip
+
 [testenv:py27]
 
 [testenv:pep8]
-commands = py.test --pep8 -k pep8 --clearcache libra
+commands = pep8 --repeat --show-source --exclude=.venv,.tox,dist,doc,*openstack/common*,*lib/python*,*egg libra setup.py
 
 [testenv:pyflakes]
 deps = pyflakes