Fixed pep8 errors in test directory.

Files test_swiftclient.py and utils.py had all pep8 errors
fixed.

Also added tests directory to tox.ini file, so that
pep8 would monitor tests directory by default.

Change-Id: Id60a2cd88bd814d1dcbeca951764c9d236500837
Fixes: bug #1158819

tests/test_swiftclient.py

@@ -71,7 +71,6 @@ class TestJsonImport(testtools.TestCase):
             reload(simplejson)
         super(TestJsonImport, self).tearDown()
 
-
     def test_any(self):
         self.assertTrue(hasattr(c, 'json_loads'))
 
@@ -119,7 +118,6 @@ class MockHttpTest(testtools.TestCase):
     def setUp(self):
         super(MockHttpTest, self).setUp()
 
-
         def fake_http_connection(*args, **kwargs):
             _orig_http_connection = c.http_connection
             return_read = kwargs.get('return_read')
@@ -277,16 +275,14 @@ class TestGetAuth(MockHttpTest):
         os_options = {'region_name': 'unknown_region',
                       'tenant_name': 'asdf'}
         c.get_keystoneclient_2_0 = fake_get_keystoneclient_2_0(
-                                       os_options,
+            os_options, c.ClientException)
-                                       c.ClientException)
         self.assertRaises(c.ClientException, c.get_auth,
                           'http://www.tests.com', 'asdf', 'asdf',
                           os_options=os_options, auth_version='2.0')
 
     def test_auth_v2_ks_exception(self):
         c.get_keystoneclient_2_0 = fake_get_keystoneclient_2_0(
-                                       {},
+            {}, c.ClientException)
-                                       c.ClientException)
         self.assertRaises(c.ClientException, c.get_auth,
                           'http://www.tests.com', 'asdf', 'asdf',
                           os_options={},
@@ -295,8 +291,7 @@ class TestGetAuth(MockHttpTest):
     def test_auth_v2_cacert(self):
         os_options = {'tenant_name': 'foo'}
         c.get_keystoneclient_2_0 = fake_get_keystoneclient_2_0(
-                                       os_options,
+            os_options, None)
-                                       None)
 
         auth_url_secure = 'https://www.tests.com'
         auth_url_insecure = 'https://www.tests.com/self-signed-certificate'
@@ -324,8 +319,7 @@ class TestGetAuth(MockHttpTest):
     def test_auth_v2_insecure(self):
         os_options = {'tenant_name': 'foo'}
         c.get_keystoneclient_2_0 = fake_get_keystoneclient_2_0(
-                                       os_options,
+            os_options, None)
-                                       None)
 
         auth_url_secure = 'https://www.tests.com'
         auth_url_insecure = 'https://www.tests.com/invalid-certificate'
@@ -492,7 +486,6 @@ class TestPutObject(MockHttpTest):
             self.assertEquals(len(w), 1)
             self.assertTrue(issubclass(w[-1].category, UserWarning))
 
-
     def test_server_error(self):
         body = 'c' * 60
         c.http_connection = self.fake_http_connection(500, body=body)

tests/utils.py

@@ -16,6 +16,7 @@ from httplib import HTTPException
 
 from eventlet import Timeout, sleep
 
+
 def fake_get_keystoneclient_2_0(os_options, exc=None, **kwargs):
     def fake_get_keystoneclient_2_0(auth_url,
                                     user,

tox.ini

@@ -13,7 +13,7 @@ commands = python setup.py testr --testr-args="{posargs}"
 
 [testenv:pep8]
 deps = pep8
-commands = pep8 --repeat --show-source --exclude=openstack swiftclient setup.py
+commands = pep8 --repeat --show-source --exclude=openstack swiftclient setup.py tests
 
 [testenv:venv]
 commands = {posargs}