remove unicode from code

Change-Id: I062829a44a62014e88f285a82b6800e37f00ff28

doc/source/conf.py

@@ -51,7 +51,7 @@ source_suffix = '.rst'
 master_doc = 'index'
 
 # General information about the project.
-copyright = u'2013, OpenStack Foundation'
+copyright = '2013, OpenStack Foundation'
 
 # If true, '()' will be appended to :func: etc. cross-reference text.
 add_function_parentheses = True

oslo_config/generator.py

@@ -288,11 +288,9 @@ class _OptFormatter:
             else:
                 opt_help = opt.help
 
-            help_text = u'%s%s (%s)' % (opt_prefix,
-                                        opt_help,
-                                        opt_type)
+            help_text = '%s%s (%s)' % (opt_prefix, opt_help, opt_type)
         else:
-            help_text = u'(%s)' % opt_type
+            help_text = '(%s)' % opt_type
         lines = self._format_help(help_text)
 
         if getattr(opt.type, 'min', None) is not None:

oslo_config/tests/test_get_location.py

@@ -137,7 +137,7 @@ class GetLocationTestCase(base.BaseTestCase):
     def _write_opt_to_tmp_file(self, group, option, value):
         filename = tempfile.mktemp()
         with io.open(filename, 'w', encoding='utf-8') as f:
-            f.write(textwrap.dedent(u'''
+            f.write(textwrap.dedent('''
             [{group}]
             {option} = {value}
             ''').format(

releasenotes/source/conf.py

@@ -60,7 +60,7 @@ source_suffix = '.rst'
 master_doc = 'index'
 
 # General information about the project.
-copyright = u'2016, oslo.config Developers'
+copyright = '2016, oslo.config Developers'
 
 # Release notes do not need a version in the title, they span
 # multiple versions.
@@ -196,8 +196,8 @@ html_static_path = ['_static']
 # (source start file, name, description, authors, manual section).
 man_pages = [
     ('index', 'oslo.configreleasenotes',
-     u'oslo.config Release Notes Documentation',
-     [u'oslo.config Developers'], 1)
+     'oslo.config Release Notes Documentation',
+     ['oslo.config Developers'], 1)
 ]
 
 # If true, show URL addresses after external links.
@@ -211,8 +211,8 @@ man_pages = [
 #  dir menu entry, description, category)
 texinfo_documents = [
     ('index', 'oslo.configReleaseNotes',
-     u'oslo.config Release Notes Documentation',
-     u'oslo.config Developers', 'oslo.configReleaseNotes',
+     'oslo.config Release Notes Documentation',
+     'oslo.config Developers', 'oslo.configReleaseNotes',
      'An OpenStack library for parsing configuration options from the command'
      ' line and configuration files.',
      'Miscellaneous'),