--- a/DebugClients/Python/DebugClientBase.py	Sun Feb 28 09:06:59 2010 +0000
+++ b/DebugClients/Python/DebugClientBase.py	Sun Feb 28 10:31:49 2010 +0000
@@ -297,7 +297,7 @@
         Public method to send the list of threads.
         """
         threadList = []
-        if self.threads:    # indication for the threaded debugger
+        if self.threads and self.currentThread:    # indication for the threaded debugger
             currentId = self.currentThread.get_ident()
             for t in self.threads.values():
                 d = {}