remove py26 workaround in osc

we don't support py2.6, so let's remove the workarounds we have.

Change-Id: Id9c8fda065d4aceba3192b044b5c5f2124ee204f

openstackclient/tests/utils.py

@@ -17,7 +17,6 @@
 import os
 
 import fixtures
-import sys
 import testtools
 
 from openstackclient.tests import fakes
@@ -50,29 +49,6 @@ class TestCase(testtools.TestCase):
                 msg = 'method %s should not have been called' % m
             self.fail(msg)
 
-    # 2.6 doesn't have the assert dict equals so make sure that it exists
-    if tuple(sys.version_info)[0:2] < (2, 7):
-
-        def assertIsInstance(self, obj, cls, msg=None):
-            """self.assertTrue(isinstance(obj, cls)), with a nicer message"""
-
-            if not isinstance(obj, cls):
-                standardMsg = '%s is not an instance of %r' % (obj, cls)
-                self.fail(self._formatMessage(msg, standardMsg))
-
-        def assertDictEqual(self, d1, d2, msg=None):
-            # Simple version taken from 2.7
-            self.assertIsInstance(d1, dict,
-                                  'First argument is not a dictionary')
-            self.assertIsInstance(d2, dict,
-                                  'Second argument is not a dictionary')
-            if d1 != d2:
-                if msg:
-                    self.fail(msg)
-                else:
-                    standardMsg = '%r != %r' % (d1, d2)
-                    self.fail(standardMsg)
-
 
 class TestCommand(TestCase):
     """Test cliff command classes"""