Use newer tracefilter in Mock

Author: rocky

trepan/bwprocessor/command/mock.py

@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-#   Copyright (C) 2013 Rocky Bernstein
+#   Copyright (C) 2013, 2024 Rocky Bernstein
 #
 #    This program is free software; you can redistribute it and/or modify
 #    it under the terms of the GNU General Public License as published by
@@ -21,6 +21,7 @@
 import sys
 
 from trepan.lib import breakpoint, default
+from tracer import tracefilter
 
 
 class MockIO:
@@ -82,10 +83,6 @@ def undefined_cmd(self, cmd):
     pass
 
 
-# External Egg packages
-import tracefilter
-
-
 class MockDebuggerCore:
     def __init__(self, debugger):
         self.debugger = debugger