entry.delete(0, END)
AttributeError: 'NoneType' object has no attribute 'delete'
place
entry = Entry(canvas,width=20,).place(x=150,y=300,)
entry
None
entry = Entry(canvas, width=20,) entry.place(x=150, y=300)
class Application(Tk): def OnEnterInput(self, event): text=u"+self.input.get() self.Send(text) self.input.delete(0, END) def createWidgets(self): ..... self.input = Entry(self, textvariable=self.inline) self.input.grid(row=0, column=0, columnspan=2, pady=3, padx=3, sticky='ew') self.input.bind(""self.OnEnterInput)