Remove unnecessary unicode prefixes

Change-Id: Ia75cc0c9fd5117b22b54fe872b28a4164faedf9a

doc/source/conf.py

@@ -33,8 +33,8 @@ openstackdocs_bug_tag = ''
 master_doc = 'index'
 
 # General information about the project.
-project = u'oslo.i18n'
-copyright = u'2014, OpenStack Foundation'
+project = 'oslo.i18n'
+copyright = '2014, OpenStack Foundation'
 
 # If true, '()' will be appended to :func: etc. cross-reference text.
 add_function_parentheses = True

oslo_i18n/_message.py

@@ -168,8 +168,8 @@ class Message(str):
             # Do not translate this log message even if it is used as a
             # warning message as a wrong translation of this message could
             # cause infinite recursion
-            msg = (u'Failed to insert replacement values into translated '
-                   u'message %s (Original: %r): %s')
+            msg = ('Failed to insert replacement values into translated '
+                   'message %s (Original: %r): %s')
             warnings.warn(msg % (translated_message, self.msgid, err))
             LOG.debug(msg, translated_message, self.msgid, err)
 

oslo_i18n/tests/test_fixture.py

@@ -38,7 +38,7 @@ class TranslationFixtureTest(test_base.BaseTestCase):
         msg = self.trans_fixture.immediate('this is a lazy message')
         self.assertNotIsInstance(msg, _message.Message)
         self.assertIsInstance(msg, str)
-        self.assertEqual(u'this is a lazy message', msg)
+        self.assertEqual('this is a lazy message', msg)
 
 
 class ToggleLazyFixtureText(test_base.BaseTestCase):

oslo_i18n/tests/test_message.py

@@ -166,7 +166,7 @@ class MessageTestCase(test_base.BaseTestCase):
             result = _message.Message(msgid) % params
             # Now set up ugettext to return the translated version of
             # the original message, with a bad format string.
-            wrong_type = u'Wrong type %(arg1)d'
+            wrong_type = 'Wrong type %(arg1)d'
             trans.return_value.gettext.return_value = wrong_type
             trans_result = result.translation()
             expected = msgid % params

oslo_i18n/tests/test_public_api.py

@@ -37,4 +37,4 @@ class PublicAPITest(unittest.TestCase):
             oslo_i18n.enable_lazy(original)
 
     def test_translate(self):
-        oslo_i18n.translate(u'string')
+        oslo_i18n.translate('string')

releasenotes/source/conf.py

@@ -58,8 +58,8 @@ source_suffix = '.rst'
 master_doc = 'index'
 
 # General information about the project.
-project = u'oslo.i18n Release Notes'
-copyright = u'2016, oslo.i18n Developers'
+project = 'oslo.i18n Release Notes'
+copyright = '2016, oslo.i18n Developers'
 
 # Release notes do not need a version in the title, they span
 # multiple versions.
@@ -210,8 +210,8 @@ latex_elements = {
 #  author, documentclass [howto, manual, or own class]).
 latex_documents = [
     ('index', 'oslo.i18nReleaseNotes.tex',
-     u'oslo.i18n Release Notes Documentation',
-     u'oslo.i18n Developers', 'manual'),
+     'oslo.i18n Release Notes Documentation',
+     'oslo.i18n Developers', 'manual'),
 ]
 
 # The name of an image file (relative to this directory) to place at the top of
@@ -241,8 +241,8 @@ latex_documents = [
 # (source start file, name, description, authors, manual section).
 man_pages = [
     ('index', 'oslo.i18nReleaseNotes',
-     u'oslo.i18n Release Notes Documentation',
-     [u'oslo.i18n Developers'], 1)
+     'oslo.i18n Release Notes Documentation',
+     ['oslo.i18n Developers'], 1)
 ]
 
 # If true, show URL addresses after external links.
@@ -256,8 +256,8 @@ man_pages = [
 #  dir menu entry, description, category)
 texinfo_documents = [
     ('index', 'oslo.i18nReleaseNotes',
-     u'oslo.i18n Release Notes Documentation',
-     u'oslo.i18n Developers', 'oslo.i18nReleaseNotes',
+     'oslo.i18n Release Notes Documentation',
+     'oslo.i18n Developers', 'oslo.i18nReleaseNotes',
      'One line description of project.',
      'Miscellaneous'),
 ]