--- a/DSV/DSV.py
+++ b/DSV/DSV.py
@@ -676,7 +676,7 @@ if wx is not None:
                      style = wx.TAB_TRAVERSAL, name = "ImportWizardPanel"):
             wx.Panel.__init__(self, parent, id, pos, size, style, name)
             self.SetAutoLayout(True)
-            mainSizer = wx.FlexGridSizer(3, 1)
+            mainSizer = wx.FlexGridSizer(4, 1)
             self.SetSizer(mainSizer)
             mainSizer.AddGrowableCol(0)
 
@@ -1089,7 +1089,8 @@ if __name__ == '__main__':
                 else:
                     dlg.Destroy()
 
-                return True
+                # return True
+                sys.exit()
 
         app = SampleApp()
         app.MainLoop()