return
print('in canvas')
root = Tkinter.Tk()
canvas = Tkinter.Canvas(width=400, height=300)
oid = canvas.create_oval(400 / 2 - 10, 300 / 2 - 10, 400 / 2 + 10, 300 / 2 +
    10, fill='blue')
canvas.tag_click = False
canvas.tag_bind(oid, '<Button-1>', oval_mouse_click)
canvas.bind('<Button-1>', canvas_mouse_click)
canvas.pack()
root.mainloop()
How can I stop raising event in Tkinter?