Merged revisions 65787 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/trunk

........
  r65787 | brett.cannon | 2008-08-17 15:10:11 -0700 (Sun, 17 Aug 2008) | 3 lines

  Remove imports of 'warnings' that are no longer needed in dummy_thread,
  filecmp, and shelve.
........

Lib/_dummy_thread.py

@@ -17,7 +17,6 @@ __all__ = ['error', 'start_new_thread', 'exit', 'get_ident', 'allocate_lock',
            'interrupt_main', 'LockType']
 
 import traceback as _traceback
-import warnings
 
 class error(Exception):
     """Dummy implementation of _thread.error."""

Lib/filecmp.py

@@ -11,7 +11,6 @@ Functions:
 
 import os
 import stat
-import warnings
 from itertools import filterfalse
 
 __all__ = ["cmp","dircmp","cmpfiles"]

Lib/shelve.py

@@ -60,7 +60,6 @@ from pickle import Pickler, Unpickler
 from io import BytesIO
 
 import collections
-import warnings
 
 __all__ = ["Shelf","BsdDbShelf","DbfilenameShelf","open"]