X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/95bfd958bda8955ac81277c78e5627c926154f39..51ba037fa8891066572ff367577770e234089dc0:/wxPython/demo/CalendarCtrl.py

diff --git a/wxPython/demo/CalendarCtrl.py b/wxPython/demo/CalendarCtrl.py
index f8e5ba78c1..b91e8f8d3e 100644
--- a/wxPython/demo/CalendarCtrl.py
+++ b/wxPython/demo/CalendarCtrl.py
@@ -27,8 +27,9 @@ class TestPanel(wx.Panel):
         self.OnChangeMonth()
 
     def OnButton(self, evt):
-        self.cal.Destroy()
-        self.cal = None
+        if self.cal is not None:
+            self.cal.Destroy()
+            self.cal = None
 
     def OnCalSelected(self, evt):
         self.log.write('OnCalSelected: %s\n' % evt.GetDate())