Why am I getting AttributeError: Object has no attribute?

I have a class MyThread. In that, I have a method sample. I am trying to run it from within the same object context. Please have a look at the code: class myThread (threading.Thread): def __init__(self, threadID, name, counter, redisOpsObj): threading.Thread.__init__(self) self.threadID = threadID self.name = name self.counter = counter self.redisOpsObj = redisOpsObj def stop(self): … Read more

Why is Tkinter widget stored as None? (AttributeError: ‘NoneType’ object …)(TypeError: ‘NoneType’ object …)

#AttributeError: 'NoneType' object has no attribute … Example try: # In order to be able to import tkinter for import tkinter as tk # either in python 2 or in python 3 except ImportError: import Tkinter as tk root = tk.Tk() widget = tk.Label(root, text="Label 1").grid() widget.config(text="Label A") root.mainloop() Above code produces the error: Traceback … Read more