diff --git a/Lib/doctest.py b/Lib/doctest.py
index f135027..eb863cb 100644
--- a/Lib/doctest.py
+++ b/Lib/doctest.py
@@ -2010,16 +2010,16 @@
         return (f,t)
 
     def rundict(self, d, name, module=None):
-        import new
-        m = new.module(name)
+        import types
+        m = types.ModuleType(name)
         m.__dict__.update(d)
         if module is None:
             module = False
         return self.rundoc(m, name, module)
 
     def run__test__(self, d, name):
-        import new
-        m = new.module(name)
+        import types
+        m = types.ModuleType(name)
         m.__test__ = d
         return self.rundoc(m, name)
 
diff --git a/Lib/modulefinder.py b/Lib/modulefinder.py
index c345a33..e4184a1 100644
--- a/Lib/modulefinder.py
+++ b/Lib/modulefinder.py
@@ -7,7 +7,7 @@
 import marshal
 import os
 import sys
-import new
+import types
 import struct
 
 if hasattr(sys.__stdout__, "newlines"):
@@ -589,7 +589,7 @@
             if isinstance(consts[i], type(co)):
                 consts[i] = self.replace_paths_in_code(consts[i])
 
-        return new.code(co.co_argcount, co.co_nlocals, co.co_stacksize,
+        return types.CodeType(co.co_argcount, co.co_nlocals, co.co_stacksize,
                          co.co_flags, co.co_code, tuple(consts), co.co_names,
                          co.co_varnames, new_filename, co.co_name,
                          co.co_firstlineno, co.co_lnotab,
diff --git a/Lib/new.py b/Lib/new.py
index e6079c2..6ce9a55 100644
--- a/Lib/new.py
+++ b/Lib/new.py
@@ -3,6 +3,9 @@
 This module is no longer required except for backward compatibility.
 Objects of most types can now be created by calling the type object.
 """
+from warnings import warn as _warn
+_warn("The 'new' module is not supported in 3.x, use the 'types' module "
+    "instead.", DeprecationWarning, 2)
 
 classobj = type
 from types import FunctionType as function
diff --git a/Lib/os.py b/Lib/os.py
index 451f833..82b4027 100644
--- a/Lib/os.py
+++ b/Lib/os.py
@@ -22,7 +22,7 @@
 
 #'
 
-import sys
+import sys, errno
 
 _names = sys.builtin_module_names
 
@@ -140,7 +140,6 @@
     recursive.
 
     """
-    from errno import EEXIST
     head, tail = path.split(name)
     if not tail:
         head, tail = path.split(head)
@@ -149,7 +148,7 @@
             makedirs(head, mode)
         except OSError as e:
             # be happy if someone already created the path
-            if e.errno != EEXIST:
+            if e.errno != errno.EEXIST:
                 raise
         if tail == curdir:           # xxx/newdir/. exists if xxx/newdir exists
             return
@@ -353,8 +352,6 @@
 __all__.extend(["execl","execle","execlp","execlpe","execvp","execvpe"])
 
 def _execvpe(file, args, env=None):
-    from errno import ENOENT, ENOTDIR
-
     if env is not None:
         func = execve
         argrest = (args, env)
@@ -381,7 +378,7 @@
         except error as e:
             last_exc = e
             tb = sys.exc_info()[2]
-            if (e.errno != ENOENT and e.errno != ENOTDIR
+            if (e.errno != errno.ENOENT and e.errno != errno.ENOTDIR
                 and saved_exc is None):
                 saved_exc = e
                 saved_tb = tb
diff --git a/Lib/test/test_descr.py b/Lib/test/test_descr.py
index a518f16..aa01805 100644
--- a/Lib/test/test_descr.py
+++ b/Lib/test/test_descr.py
@@ -4,7 +4,6 @@
 from test.test_support import get_original_stdout
 from copy import deepcopy
 import types
-import new
 
 def veris(a, b):
     if a is not b:
diff --git a/Lib/test/test_doctest.py b/Lib/test/test_doctest.py
index 02034b4..6ebfb69 100644
--- a/Lib/test/test_doctest.py
+++ b/Lib/test/test_doctest.py
@@ -448,8 +448,8 @@
 functions, classes, and the `__test__` dictionary, if it exists:
 
     >>> # A module
-    >>> import new
-    >>> m = new.module('some_module')
+    >>> import types
+    >>> m = types.ModuleType('some_module')
     >>> def triple(val):
     ...     '''
     ...     >>> print(triple(11))
@@ -1941,11 +1941,11 @@
        If DocFileSuite is used from an interactive session, then files
        are resolved relative to the directory of sys.argv[0]:
 
-         >>> import new, os.path, test.test_doctest
+         >>> import types, os.path, test.test_doctest
          >>> save_argv = sys.argv
          >>> sys.argv = [test.test_doctest.__file__]
          >>> suite = doctest.DocFileSuite('test_doctest.txt',
-         ...                              package=new.module('__main__'))
+         ...                              package=types.ModuleType('__main__'))
          >>> sys.argv = save_argv
 
        By setting `module_relative=False`, os-specific paths may be
@@ -2370,9 +2370,9 @@
 """
 
 def old_test4(): """
-        >>> import new
-        >>> m1 = new.module('_m1')
-        >>> m2 = new.module('_m2')
+        >>> import types
+        >>> m1 = types.ModuleType('_m1')
+        >>> m2 = types.ModuleType('_m2')
         >>> test_data = \"""
         ... def _f():
         ...     '''>>> assert 1 == 1
diff --git a/Lib/test/test_funcattrs.py b/Lib/test/test_funcattrs.py
index 3d0d4aa..1a62290 100644
--- a/Lib/test/test_funcattrs.py
+++ b/Lib/test/test_funcattrs.py
@@ -105,11 +105,11 @@
     raise TestFailed
 
 # __func__ may not be a Python method!
-import new
+import types
 F.id = id
 
 eff = F()
-eff.id = new.instancemethod(id, eff)
+eff.id = types.MethodType(id, eff)
 if eff.id() != id(eff):
     raise TestFailed
 
diff --git a/Lib/test/test_getopt.py b/Lib/test/test_getopt.py
index a3a9940..36d1688 100644
--- a/Lib/test/test_getopt.py
+++ b/Lib/test/test_getopt.py
@@ -167,8 +167,8 @@
         ['a1', 'a2']
         """
 
-        import new
-        m = new.module("libreftest", s)
+        import types
+        m = types.ModuleType("libreftest", s)
         run_doctest(m, verbose)
 
 
diff --git a/Lib/test/test_inspect.py b/Lib/test/test_inspect.py
index 3752810..4b78708 100644
--- a/Lib/test/test_inspect.py
+++ b/Lib/test/test_inspect.py
@@ -213,9 +213,9 @@
         self.assertEqual(inspect.getfile(mod.StupidGit), mod.__file__)
 
     def test_getmodule_recursion(self):
-        from new import module
+        from types import ModuleType
         name = '__inspect_dummy'
-        m = sys.modules[name] = module(name)
+        m = sys.modules[name] = ModuleType(name)
         m.__file__ = "<string>" # hopefully not a real filename...
         m.__loader__ = "dummy"  # pretend the filename is understood by a loader
         exec("def x(): pass", m.__dict__)
diff --git a/Lib/test/test_unittest.py b/Lib/test/test_unittest.py
index eac8074..ed27618 100644
--- a/Lib/test/test_unittest.py
+++ b/Lib/test/test_unittest.py
@@ -9,6 +9,7 @@
 from test import test_support
 import unittest
 from unittest import TestCase
+import types
 
 ### Support code
 ################################################################
@@ -153,8 +154,7 @@
 
     # "This method searches `module` for classes derived from TestCase"
     def test_loadTestsFromModule__TestCase_subclass(self):
-        import new
-        m = new.module('m')
+        m = types.ModuleType('m')
         class MyTestCase(unittest.TestCase):
             def test(self):
                 pass
@@ -171,8 +171,7 @@
     #
     # What happens if no tests are found (no TestCase instances)?
     def test_loadTestsFromModule__no_TestCase_instances(self):
-        import new
-        m = new.module('m')
+        m = types.ModuleType('m')
 
         loader = unittest.TestLoader()
         suite = loader.loadTestsFromModule(m)
@@ -183,8 +182,7 @@
     #
     # What happens if no tests are found (TestCases instances, but no tests)?
     def test_loadTestsFromModule__no_TestCase_tests(self):
-        import new
-        m = new.module('m')
+        m = types.ModuleType('m')
         class MyTestCase(unittest.TestCase):
             pass
         m.testcase_1 = MyTestCase
@@ -381,8 +379,7 @@
     # Does it raise an exception if the name resolves to an invalid
     # object?
     def test_loadTestsFromName__relative_bad_object(self):
-        import new
-        m = new.module('m')
+        m = types.ModuleType('m')
         m.testcase_1 = object()
 
         loader = unittest.TestLoader()
@@ -396,8 +393,7 @@
     # "The specifier name is a ``dotted name'' that may
     # resolve either to ... a test case class"
     def test_loadTestsFromName__relative_TestCase_subclass(self):
-        import new
-        m = new.module('m')
+        m = types.ModuleType('m')
         class MyTestCase(unittest.TestCase):
             def test(self):
                 pass
@@ -413,8 +409,7 @@
     # within a test case class, or a callable object which returns a
     # TestCase or TestSuite instance."
     def test_loadTestsFromName__relative_TestSuite(self):
-        import new
-        m = new.module('m')
+        m = types.ModuleType('m')
         class MyTestCase(unittest.TestCase):
             def test(self):
                 pass
@@ -429,8 +424,7 @@
     # "The specifier name is a ``dotted name'' that may resolve ... to
     # ... a test method within a test case class"
     def test_loadTestsFromName__relative_testmethod(self):
-        import new
-        m = new.module('m')
+        m = types.ModuleType('m')
         class MyTestCase(unittest.TestCase):
             def test(self):
                 pass
@@ -451,8 +445,7 @@
     # resolve "a test method within a test case class" that doesn't exist
     # for the given name (relative to a provided module)?
     def test_loadTestsFromName__relative_invalid_testmethod(self):
-        import new
-        m = new.module('m')
+        m = types.ModuleType('m')
         class MyTestCase(unittest.TestCase):
             def test(self):
                 pass
@@ -469,8 +462,7 @@
     # "The specifier name is a ``dotted name'' that may resolve ... to
     # ... a callable object which returns a ... TestSuite instance"
     def test_loadTestsFromName__callable__TestSuite(self):
-        import new
-        m = new.module('m')
+        m = types.ModuleType('m')
         testcase_1 = unittest.FunctionTestCase(lambda: None)
         testcase_2 = unittest.FunctionTestCase(lambda: None)
         def return_TestSuite():
@@ -485,8 +477,7 @@
     # "The specifier name is a ``dotted name'' that may resolve ... to
     # ... a callable object which returns a TestCase ... instance"
     def test_loadTestsFromName__callable__TestCase_instance(self):
-        import new
-        m = new.module('m')
+        m = types.ModuleType('m')
         testcase_1 = unittest.FunctionTestCase(lambda: None)
         def return_TestCase():
             return testcase_1
@@ -502,8 +493,7 @@
     #
     # What happens if the callable returns something else?
     def test_loadTestsFromName__callable__wrong_type(self):
-        import new
-        m = new.module('m')
+        m = types.ModuleType('m')
         def return_wrong():
             return 6
         m.return_wrong = return_wrong
@@ -751,8 +741,7 @@
     # Does it raise an exception if the name resolves to an invalid
     # object?
     def test_loadTestsFromNames__relative_bad_object(self):
-        import new
-        m = new.module('m')
+        m = types.ModuleType('m')
         m.testcase_1 = object()
 
         loader = unittest.TestLoader()
@@ -766,8 +755,7 @@
     # "The specifier name is a ``dotted name'' that may resolve ... to
     # ... a test case class"
     def test_loadTestsFromNames__relative_TestCase_subclass(self):
-        import new
-        m = new.module('m')
+        m = types.ModuleType('m')
         class MyTestCase(unittest.TestCase):
             def test(self):
                 pass
@@ -783,8 +771,7 @@
     # "The specifier name is a ``dotted name'' that may resolve ... to
     # ... a TestSuite instance"
     def test_loadTestsFromNames__relative_TestSuite(self):
-        import new
-        m = new.module('m')
+        m = types.ModuleType('m')
         class MyTestCase(unittest.TestCase):
             def test(self):
                 pass
@@ -799,8 +786,7 @@
     # "The specifier name is a ``dotted name'' that may resolve ... to ... a
     # test method within a test case class"
     def test_loadTestsFromNames__relative_testmethod(self):
-        import new
-        m = new.module('m')
+        m = types.ModuleType('m')
         class MyTestCase(unittest.TestCase):
             def test(self):
                 pass
@@ -819,8 +805,7 @@
     # Does the method gracefully handle names that initially look like they
     # resolve to "a test method within a test case class" but don't?
     def test_loadTestsFromNames__relative_invalid_testmethod(self):
-        import new
-        m = new.module('m')
+        m = types.ModuleType('m')
         class MyTestCase(unittest.TestCase):
             def test(self):
                 pass
@@ -837,8 +822,7 @@
     # "The specifier name is a ``dotted name'' that may resolve ... to
     # ... a callable object which returns a ... TestSuite instance"
     def test_loadTestsFromNames__callable__TestSuite(self):
-        import new
-        m = new.module('m')
+        m = types.ModuleType('m')
         testcase_1 = unittest.FunctionTestCase(lambda: None)
         testcase_2 = unittest.FunctionTestCase(lambda: None)
         def return_TestSuite():
@@ -855,8 +839,7 @@
     # "The specifier name is a ``dotted name'' that may resolve ... to
     # ... a callable object which returns a TestCase ... instance"
     def test_loadTestsFromNames__callable__TestCase_instance(self):
-        import new
-        m = new.module('m')
+        m = types.ModuleType('m')
         testcase_1 = unittest.FunctionTestCase(lambda: None)
         def return_TestCase():
             return testcase_1
@@ -874,8 +857,7 @@
     #
     # Are staticmethods handled correctly?
     def test_loadTestsFromNames__callable__call_staticmethod(self):
-        import new
-        m = new.module('m')
+        m = types.ModuleType('m')
         class Test1(unittest.TestCase):
             def test(self):
                 pass
@@ -899,8 +881,7 @@
     #
     # What happens when the callable returns something else?
     def test_loadTestsFromNames__callable__wrong_type(self):
-        import new
-        m = new.module('m')
+        m = types.ModuleType('m')
         def return_wrong():
             return 6
         m.return_wrong = return_wrong
@@ -1043,8 +1024,7 @@
     # Implicit in the documentation is that testMethodPrefix is respected by
     # all loadTestsFrom* methods.
     def test_testMethodPrefix__loadTestsFromModule(self):
-        import new
-        m = new.module('m')
+        m = types.ModuleType('m')
         class Foo(unittest.TestCase):
             def test_1(self): pass
             def test_2(self): pass
@@ -1067,8 +1047,7 @@
     # Implicit in the documentation is that testMethodPrefix is respected by
     # all loadTestsFrom* methods.
     def test_testMethodPrefix__loadTestsFromName(self):
-        import new
-        m = new.module('m')
+        m = types.ModuleType('m')
         class Foo(unittest.TestCase):
             def test_1(self): pass
             def test_2(self): pass
@@ -1091,8 +1070,7 @@
     # Implicit in the documentation is that testMethodPrefix is respected by
     # all loadTestsFrom* methods.
     def test_testMethodPrefix__loadTestsFromNames(self):
-        import new
-        m = new.module('m')
+        m = types.ModuleType('m')
         class Foo(unittest.TestCase):
             def test_1(self): pass
             def test_2(self): pass
@@ -1143,8 +1121,7 @@
         def reversed_cmp(x, y):
             return -cmp(x, y)
 
-        import new
-        m = new.module('m')
+        m = types.ModuleType('m')
         class Foo(unittest.TestCase):
             def test_1(self): pass
             def test_2(self): pass
@@ -1162,8 +1139,7 @@
         def reversed_cmp(x, y):
             return -cmp(x, y)
 
-        import new
-        m = new.module('m')
+        m = types.ModuleType('m')
         class Foo(unittest.TestCase):
             def test_1(self): pass
             def test_2(self): pass
@@ -1181,8 +1157,7 @@
         def reversed_cmp(x, y):
             return -cmp(x, y)
 
-        import new
-        m = new.module('m')
+        m = types.ModuleType('m')
         class Foo(unittest.TestCase):
             def test_1(self): pass
             def test_2(self): pass
@@ -1254,8 +1229,7 @@
     # It is implicit in the documentation for TestLoader.suiteClass that
     # all TestLoader.loadTestsFrom* methods respect it. Let's make sure
     def test_suiteClass__loadTestsFromModule(self):
-        import new
-        m = new.module('m')
+        m = types.ModuleType('m')
         class Foo(unittest.TestCase):
             def test_1(self): pass
             def test_2(self): pass
@@ -1271,8 +1245,7 @@
     # It is implicit in the documentation for TestLoader.suiteClass that
     # all TestLoader.loadTestsFrom* methods respect it. Let's make sure
     def test_suiteClass__loadTestsFromName(self):
-        import new
-        m = new.module('m')
+        m = types.ModuleType('m')
         class Foo(unittest.TestCase):
             def test_1(self): pass
             def test_2(self): pass
@@ -1288,8 +1261,7 @@
     # It is implicit in the documentation for TestLoader.suiteClass that
     # all TestLoader.loadTestsFrom* methods respect it. Let's make sure
     def test_suiteClass__loadTestsFromNames(self):
-        import new
-        m = new.module('m')
+        m = types.ModuleType('m')
         class Foo(unittest.TestCase):
             def test_1(self): pass
             def test_2(self): pass