Removed the module. I don't think anyone is using this.

If you want a persistent list, use persistent.list

src/Persistence/PersistentList.py

-##############################################################################
-#
-# Copyright (c) 2001, 2002 Zope Corporation and Contributors.
-# All Rights Reserved.
-#
-# This software is subject to the provisions of the Zope Public License,
-# Version 2.0 (ZPL).  A copy of the ZPL should accompany this distribution.
-# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
-# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
-# FOR A PARTICULAR PURPOSE
-#
-##############################################################################
-
-"""Python implementation of persistent list.
-
-$Id: PersistentList.py,v 1.5 2003/11/28 16:44:46 jim Exp $"""
-
-__version__='$Revision: 1.5 $'[11:-2]
-
-import Persistence
-import persistent
-from persistent.list import PersistentList
-
-if Persistence.Persistent is not persistent.Persistent:
-    class PersistentList(Persistence.Persistent, PersistentList):
-        """Legacy persistent list class
-        
-        This class mixes in ExtensionClass Base if it is present.
-        
-        Unless you actually want ExtensionClass semantics, use
-        persistent.list.PersistentList instead.
-        """