+            try:
+                bmp = wx.Bitmap("nosuchfile.bmp", wx.BITMAP_TYPE_BMP)
+                mask = wx.MaskColour(bmp, wx.BLUE)
+            except wx.PyAssertionError:
+                self.log.write("Caught wx.PyAssertionError!  I will fix the problem.\n")
+                bmp = images.getTest2Bitmap()
+                mask = wx.MaskColour(bmp, wx.BLUE)
+        else:
+            bmp = images.getTest2Bitmap()
+            mask = wx.MaskColour(bmp, wx.BLUE)