simplified no Tk() sets _default_root
diff --git a/Demo/tkinter/guido/imageview.py b/Demo/tkinter/guido/imageview.py
index 541c96a..d6efed0 100755
--- a/Demo/tkinter/guido/imageview.py
+++ b/Demo/tkinter/guido/imageview.py
@@ -4,9 +4,8 @@
 def main():
     filename = sys.argv[1]
     root = Tk()
-    label = Label(root)
     img = PhotoImage(file=filename)
-    label['image'] = img
+    label = Label(root, image=img)
     label.pack()
     root.mainloop()