Also trigger FIT_CHANGED when fit goes to None (for example, when a tab is cleared). Note: causes an exception until some other code is fixed

gui/fittingView.py

@@ -96,9 +96,10 @@ class FittingView(wx.ListCtrl):
         if fitID == None:
             self.Hide()
         else:
-            wx.PostEvent(gui.mainFrame.MainFrame.getInstance(), FitChanged(fitID=fitID))
             self.Show()
 
+        wx.PostEvent(gui.mainFrame.MainFrame.getInstance(), FitChanged(fitID=fitID))
+
     def fitChanged(self, event):
         cFit = controller.Fit.getInstance()
         fit = cFit.getFit(event.fitID)