SF patch #834015: Remove imports of unused modules

(Contributed by George Yoshida.)

Lib/SimpleXMLRPCServer.py

@@ -104,7 +104,6 @@ from xmlrpclib import Fault
 import SocketServer
 import BaseHTTPServer
 import sys
-import types
 import os
 
 def resolve_dotted_attribute(obj, attr):

Lib/platform.py

@@ -1082,7 +1082,6 @@ def _sys_version():
 
     """
     global _sys_version_cache
-    import time
 
     if _sys_version_cache is not None:
         return _sys_version_cache

Lib/posixpath.py

@@ -10,7 +10,6 @@ Some of this can actually be useful on non-Posix systems too, e.g.
 for manipulation of the pathname component of URLs.
 """
 
-import sys
 import os
 import stat
 

Lib/trace.py

@@ -46,7 +46,6 @@ Sample use, programmatically
 """
 
 import linecache
-import marshal
 import os
 import re
 import sys

Lib/xmlrpclib.py

@@ -1071,7 +1071,6 @@ def loads(data):
     If the XML-RPC packet represents a fault condition, this function
     raises a Fault exception.
     """
-    import sys
     p, u = getparser()
     p.feed(data)
     p.close()