diff --git a/Doc/documenting/style.rst b/Doc/documenting/style.rst
index 1fdc139..71a52f2 100644
--- a/Doc/documenting/style.rst
+++ b/Doc/documenting/style.rst
@@ -136,7 +136,7 @@
 Economy of Expression
 ---------------------
 
-More documentation is not necessarily better documentation.  Error on the side
+More documentation is not necessarily better documentation.  Err on the side
 of being succinct.
 
 It is an unfortunate fact that making documentation longer can be an impediment
@@ -198,7 +198,7 @@
 The tone of the tutorial (and all the docs) needs to be respectful of the
 reader's intelligence.  Don't presume that the readers are stupid.  Lay out the
 relevant information, show motivating use cases, provide glossary links, and do
-our best to connect-the-dots, but don't talk down to them or waste their time.
+your best to connect-the-dots, but don't talk down to them or waste their time.
 
 The tutorial is meant for newcomers, many of whom will be using the tutorial to
 evaluate the language as a whole.  The experience needs to be positive and not
diff --git a/Doc/library/site.rst b/Doc/library/site.rst
index 23ce465..46bd5dc 100644
--- a/Doc/library/site.rst
+++ b/Doc/library/site.rst
@@ -129,6 +129,10 @@
    unless the :program:`python` interpreter was started with the :option:`-S`
    flag.
 
+   .. versionchanged:: 3.3
+      This function used to be called unconditionnally.
+
+
 .. function:: addsitedir(sitedir, known_paths=None)
 
    Adds a directory to sys.path and processes its pth files.
diff --git a/Lib/html/parser.py b/Lib/html/parser.py
index a3586eb..9412280 100644
--- a/Lib/html/parser.py
+++ b/Lib/html/parser.py
@@ -124,7 +124,7 @@
         _markupbase.ParserBase.reset(self)
 
     def feed(self, data):
-        """Feed data to the parser.
+        r"""Feed data to the parser.
 
         Call this as often as you want, with as little or as much text
         as you want (may include '\n').
diff --git a/Lib/pkgutil.py b/Lib/pkgutil.py
index b0cefee..2dd20cd 100644
--- a/Lib/pkgutil.py
+++ b/Lib/pkgutil.py
@@ -8,7 +8,7 @@
 
 __all__ = [
     'get_importer', 'iter_importers', 'get_loader', 'find_loader',
-    'walk_packages', 'iter_modules',
+    'walk_packages', 'iter_modules', 'get_data',
     'ImpImporter', 'ImpLoader', 'read_code', 'extend_path',
 ]
 
diff --git a/Lib/sysconfig.py b/Lib/sysconfig.py
index 63becb2..d07784d 100644
--- a/Lib/sysconfig.py
+++ b/Lib/sysconfig.py
@@ -658,11 +658,10 @@
         # to. This makes the compatibility story a bit more sane because the
         # machine is going to compile and link as if it were
         # MACOSX_DEPLOYMENT_TARGET.
-        #
         cfgvars = get_config_vars()
         macver = cfgvars.get('MACOSX_DEPLOYMENT_TARGET')
 
-        if 1:
+        if True:
             # Always calculate the release of the running machine,
             # needed to determine if we can build fat binaries or not.
 
@@ -757,7 +756,7 @@
     print('Platform: "%s"' % get_platform())
     print('Python version: "%s"' % get_python_version())
     print('Current installation scheme: "%s"' % _get_default_scheme())
-    print('')
+    print()
     _print_dict('Paths', get_paths())
     print()
     _print_dict('Variables', get_config_vars())
diff --git a/Lib/test/test_sysconfig.py b/Lib/test/test_sysconfig.py
index 5c84a75..96f75f2 100644
--- a/Lib/test/test_sysconfig.py
+++ b/Lib/test/test_sysconfig.py
@@ -1,9 +1,3 @@
-"""Tests for 'site'.
-
-Tests assume the initial paths in sys.path once the interpreter has begun
-executing have not been removed.
-
-"""
 import unittest
 import sys
 import os
@@ -20,10 +14,10 @@
                        _get_default_scheme, _expand_vars,
                        get_scheme_names, get_config_var, _main)
 
+
 class TestSysConfig(unittest.TestCase):
 
     def setUp(self):
-        """Make a copy of sys.path"""
         super(TestSysConfig, self).setUp()
         self.sys_path = sys.path[:]
         # patching os.uname
@@ -52,7 +46,6 @@
                 self._added_envvars.append(var)
 
     def tearDown(self):
-        """Restore sys.path"""
         sys.path[:] = self.sys_path
         self._cleanup_testfn()
         if self.uname is not None:
@@ -142,8 +135,6 @@
                    ('Darwin Kernel Version 8.11.1: '
                     'Wed Oct 10 18:23:28 PDT 2007; '
                     'root:xnu-792.25.20~1/RELEASE_I386'), 'PowerPC'))
-
-
         get_config_vars()['MACOSX_DEPLOYMENT_TARGET'] = '10.3'
 
         get_config_vars()['CFLAGS'] = ('-fno-strict-aliasing -DNDEBUG -g '
@@ -158,7 +149,6 @@
         finally:
             sys.maxsize = maxint
 
-
         self._set_uname(('Darwin', 'macziade', '8.11.1',
                    ('Darwin Kernel Version 8.11.1: '
                     'Wed Oct 10 18:23:28 PDT 2007; '
@@ -216,9 +206,9 @@
             get_config_vars()['CFLAGS'] = ('-arch %s -isysroot '
                                            '/Developer/SDKs/MacOSX10.4u.sdk  '
                                            '-fno-strict-aliasing -fno-common '
-                                           '-dynamic -DNDEBUG -g -O3'%(arch,))
+                                           '-dynamic -DNDEBUG -g -O3' % arch)
 
-            self.assertEqual(get_platform(), 'macosx-10.4-%s'%(arch,))
+            self.assertEqual(get_platform(), 'macosx-10.4-%s' % arch)
 
         # linux debian sarge
         os.name = 'posix'
@@ -286,7 +276,6 @@
 
         self.assertIn(ldflags, ldshared)
 
-
     @unittest.skipUnless(sys.platform == "darwin", "test only relevant on MacOSX")
     def test_platform_in_subprocess(self):
         my_platform = sysconfig.get_platform()
@@ -312,7 +301,6 @@
         self.assertEqual(status, 0)
         self.assertEqual(my_platform, test_platform)
 
-
         # Test with MACOSX_DEPLOYMENT_TARGET in the environment, and
         # using a value that is unlikely to be the default one.
         env = os.environ.copy()
@@ -334,6 +322,7 @@
 
 
 class MakefileTests(unittest.TestCase):
+
     @unittest.skipIf(sys.platform.startswith('win'),
                      'Test is not Windows compatible')
     def test_get_makefile_filename(self):
diff --git a/Tools/scripts/findnocoding.py b/Tools/scripts/findnocoding.py
index 77607ce..c42fa7c 100755
--- a/Tools/scripts/findnocoding.py
+++ b/Tools/scripts/findnocoding.py
@@ -2,7 +2,7 @@
 
 """List all those Python files that require a coding directive
 
-Usage: nocoding.py dir1 [dir2...]
+Usage: findnocoding.py dir1 [dir2...]
 """
 
 __author__ = "Oleg Broytmann, Georg Brandl"
@@ -50,7 +50,7 @@
 
 def needs_declaration(fullpath):
     try:
-        infile = open(fullpath, 'rU')
+        infile = open(fullpath)
     except IOError: # Oops, the file was removed - ignore it
         return None
 
diff --git a/Tools/scripts/pysource.py b/Tools/scripts/pysource.py
index 048131e..c7dbe60 100644
--- a/Tools/scripts/pysource.py
+++ b/Tools/scripts/pysource.py
@@ -42,7 +42,7 @@
         return None
 
     try:
-        return open(fullpath, 'rU')
+        return open(fullpath)
     except IOError as err: # Access denied, or a special file - ignore it
         print_debug("%s: access denied: %s" % (fullpath, err))
         return None