--- a/DebugClients/Python3/DebugBase.py	Tue Jun 17 19:48:58 2014 +0200
+++ b/DebugClients/Python3/DebugBase.py	Tue Jun 17 21:09:24 2014 +0200
@@ -804,7 +804,7 @@
 
         # Eliminate things like <string> and <stdin>.
         if fn[0] == '<':
-            return 1
+            return True
 
         #XXX - think of a better way to do this.  It's only a convience for
         #debugging the debugger - when the debugger code is in the current