Index: Py.java
===================================================================
--- Py.java	(revision 7066)
+++ Py.java	(working copy)
@@ -53,9 +53,9 @@
     }
     /* Holds the singleton None and Ellipsis objects */
     /** The singleton None Python object **/
-    public static PyObject None;
+    public static org.python.core.PyObject None;
     /** The singleton Ellipsis Python object - written as ... when indexing */
-    public static PyObject Ellipsis;
+    public static org.python.core.PyObject Ellipsis;
     /** The singleton NotImplemented Python object. Used in rich comparison */
     public static PyObject NotImplemented;
     /** A zero-length array of Strings to pass to functions that
@@ -1324,6 +1324,12 @@
     //defaultSystemState;
     }
 
+    //mdb
+    public static void clearAllThreadLocalState()
+    {
+        threadStateMapping.shutdown();
+    }
+
     /* Get and set the current frame */
     public static PyFrame getFrame() {
         ThreadState ts = getThreadState();