# KeyboardInterrupt???)  but will later segfault on exit.  By
         # setting the default handler then the app will exit, as
         # expected (depending on platform.)
-        import signal
-        signal.signal(signal.SIGINT, signal.SIG_DFL)
+        try:
+            import signal
+            signal.signal(signal.SIGINT, signal.SIG_DFL)
+        except:
+            pass
 
         # this initializes wxWindows and then calls our OnInit
         _wxStart(self.OnInit)
 
 
 # change from wxPyApp_ to wxApp_
-wxApp_GetMacDefaultEncodingIsPC = wxc.wxPyApp_GetMacDefaultEncodingIsPC
 wxApp_GetMacSupportPCMenuShortcuts = wxc.wxPyApp_GetMacSupportPCMenuShortcuts
 wxApp_GetMacAboutMenuItemId = wxc.wxPyApp_GetMacAboutMenuItemId
 wxApp_GetMacPreferencesMenuItemId = wxc.wxPyApp_GetMacPreferencesMenuItemId
 wxApp_GetMacExitMenuItemId = wxc.wxPyApp_GetMacExitMenuItemId
 wxApp_GetMacHelpMenuTitleName = wxc.wxPyApp_GetMacHelpMenuTitleName
-wxApp_SetMacDefaultEncodingIsPC = wxc.wxPyApp_SetMacDefaultEncodingIsPC
 wxApp_SetMacSupportPCMenuShortcuts = wxc.wxPyApp_SetMacSupportPCMenuShortcuts
 wxApp_SetMacAboutMenuItemId = wxc.wxPyApp_SetMacAboutMenuItemId
 wxApp_SetMacPreferencesMenuItemId = wxc.wxPyApp_SetMacPreferencesMenuItemId