format the list of installed packages better

[wxWidgets.git] / wxPython / wx / lib / pydocview.py

diff --git a/wxPython/wx/lib/pydocview.py b/wxPython/wx/lib/pydocview.py
index ffb03584ce920dce2cbf45435e7f5c9daff16d4e..3e7b7b8fb8bdab47f575ccd6d98b1b446b44fa21 100644 (file)
--- a/wxPython/wx/lib/pydocview.py
+++ b/wxPython/wx/lib/pydocview.py
@@ -558,6 +558,7 @@ class DocApp(wx.PySimpleApp):
             service.OnExit()
         config = wx.ConfigBase_Get()
         self._docManager.FileHistorySave(config)
+        del self._singleInstanceChecker
 
     
     def GetDefaultDocManagerFlags(self):