no 2.3 compat in the py3k lib #3676

Lib/modulefinder.py

 """Find modules used by a script, using introspection."""
-# This module should be kept compatible with Python 2.2, see PEP 291.
 
 from __future__ import generators
 import dis
@@ -10,11 +9,7 @@ import sys
 import types
 import struct
 
-if hasattr(sys.__stdout__, "newlines"):
-    READ_MODE = "U"  # universal line endings
-else:
-    # remain compatible with Python  < 2.3
-    READ_MODE = "r"
+READ_MODE = "rU"
 
 # XXX Clean up once str8's cstor matches bytes.
 LOAD_CONST = bytes([dis.opname.index('LOAD_CONST')])

Lib/pkgutil.py

 """Utilities to support packages."""
 
-# NOTE: This module must remain compatible with Python 2.3, as it is shared
-# by setuptools for distribution with Python 2.3 and up.
-
 import os
 import sys
 import imp

Lib/subprocess.py

@@ -2,8 +2,6 @@
 #
 # For more information about this module, see PEP 324.
 #
-# This module should remain compatible with Python 2.2, see PEP 291.
-#
 # Copyright (c) 2003-2005 by Peter Astrand <astrand@lysator.liu.se>
 #
 # Licensed to PSF under a Contributor Agreement.