Drop usage of six

six has been used but is not listed in requirements. It's no longer
installed by dependencies.

Remove usage of six because it's no longer required with python 2
support removed.

Change-Id: I7aae4ba993e20dcba0ce7fd3c377616d7a617224

dracclient/tests/test_wsman.py

@@ -19,7 +19,6 @@ import lxml.etree
 import lxml.objectify
 import requests.exceptions
 import requests_mock
-import six
 
 from dracclient import exceptions
 from dracclient.tests import base
@@ -58,8 +57,9 @@ class ClientTestCase(base.BaseTest):
 
     @requests_mock.Mocker()
     def test_enumerate_with_invalid_utf8(self, mock_requests):
-        mock_requests.post('https://1.2.3.4:443/wsman',
-                           content=six.b('<result>yay!\xC0</result>'))
+        mock_requests.post(
+            'https://1.2.3.4:443/wsman',
+            content=b'<result>yay!\xC0</result>')
 
         resp = self.client.enumerate('resource')
         self.assertEqual('yay!', resp.text)

dracclient/wsman.py

@@ -13,7 +13,6 @@
 
 import logging
 import re
-import six
 import time
 import uuid
 
@@ -167,9 +166,8 @@ class Client(object):
 
             # Filter out everything except for printable ASCII characters and
             # tab
-            resp_xml = ElementTree.fromstring(re.sub(six.b('[^\x20-\x7e\t]'),
-                                                     six.b(''),
-                                                     resp.content))
+            resp_xml = ElementTree.fromstring(re.sub(
+                b'[^\x20-\x7e\t]', b'', resp.content))
 
         if auto_pull:
             # The first response returns "<wsman:Items>"

setup.cfg

@@ -6,6 +6,7 @@ maintainer = DracClient Team
 author_email = openstack-discuss@lists.openstack.org
 home_page = https://launchpad.net/python-dracclient
 license = Apache-2
+python_requires = >=3.6
 classifier =
     Intended Audience :: Developers
     Intended Audience :: Information Technology