Removed uses of dict.has_key() from distutils, and uses of

callable() from copy_reg.py, so the interpreter now starts up
without warnings when '-3' is given.  More work like this needs to
be done in the rest of the stdlib.

Lib/distutils/command/upload.py

@@ -46,7 +46,7 @@ class upload(Command):
             raise DistutilsOptionError(
                 "Must use --sign for --identity to have meaning"
             )
-        if os.environ.has_key('HOME'):
+        if 'HOME' in os.environ:
             rc = os.path.join(os.environ['HOME'], '.pypirc')
             if os.path.exists(rc):
                 self.announce('Using PyPI login from %s' % rc)