Exception in Tkinter callback
Traceback (most recent call last):
  File "C:\Users\master\AppData\Local\Programs\Python\Python37-32\lib\tkinter\__init__.py", line 1705, in __call__
    return self.func(*args)
  File "C:/!TEST!/!/Projet/Sample_[OK]_V1k - test.py", line 122, in <lambda>
    Input1.bind("<3>", lambda event, obj=Input1: onClick_Dtr(event, obj))
  File "C:/!TEST!/!/Projet/Sample_[OK]_V1k - test.py", line 94, in onClick_Dtr
    MenuContextuel.tk_popup(event.x_root, event.y_root, 0)
  File "C:\Users\master\AppData\Local\Programs\Python\Python37-32\lib\tkinter\__init__.py", line 2871, in tk_popup
    self.tk.call('tk_popup', self._w, x, y, entry)
_tkinter.TclError: unknown option "-state"

#!usrbinpython3
# -- coding utf-8 --
# coding: utf8

import youtube_dl
from tkinter import *
from tkinter import ttk
from tkinter import filedialog
from PIL import Image, ImageTk, ImageSequence               # Animation GIF
import time
from time import sleep


class Root(Tk):
    def __init__(self):
        super(Root, self).__init__()
        self.title("Embedding yt-dl [GUI]")
        # self.wm_iconbitmap('icon.ico')
        self.geometry("600x120+10+10")
        self.resizable(width=False, height=False)

##############################################################################
# Remonte les messages de mise au point (log). C'est nécessaire au moins pour les "vraies" erreurs.
# Rien n'empêche de créer un fichier log avec l'écriture de tous les messages pour garder une trace de ce qui s'est passé.

# Enregistreur
class MyLogger(object):

    def debug(self, msg):
        pass
    def warning(self, msg):
        pass
    def error(self, msg):
        print(msg)
    def info(self, msg):
        print(msg)



# ------------   Début - Menu Contextuel ---------------
def onClick_Dtr(event, obj):
    obj.delete(0, END)
    # display the popup menu
    try:
        MenuContextuel.tk_popup(event.x_root, event.y_root, 0)
    finally:
        # make sure to release the grab (Tk 8.0a1 only)
        print("---")
        MenuContextuel.grab_release()

def Paste():
    Input1.event_generate('<<Paste>>')
# ------------   Fin - Menu Contextuel ---------------

root = Root()
var_URL = StringVar()                                       # Widget - Entry URL

Input1 = Entry(bd=2, justify=CENTER, textvariable=var_URL)
Input1.place(x=5, y=55, width=590, height=22)

# Création du menu contextuel
MenuContextuel = Menu(root, tearoff=0)
MenuContextuel.add_separator()
MenuContextuel.add_command(label="Coller     ", command=Paste)
MenuContextuel.add_separator()
# Affiche le menu contextuel
root.config(menu=MenuContextuel)

# menu Contextuel Bouton Dtr. Souris sur Input1
Input1.bind("<3>", lambda event, obj=Input1: onClick_Dtr(event, obj))

root.mainloop()

Error:
Exception in Tkinter callback
Traceback (most recent call last):
  File "C:\Users\master\AppData\Local\Programs\Python\Python37-32\lib\tkinter\__init__.py", line 1705, in __call__
    return self.func(*args)
  File "C:/!TEST!/!/Projet/Sample_[OK]_V1k - test.py", line 122, in <lambda>
    Input1.bind("<3>", lambda event, obj=Input1: onClick_Dtr(event, obj))
  File "C:/!TEST!/!/Projet/Sample_[OK]_V1k - test.py", line 94, in onClick_Dtr
    MenuContextuel.tk_popup(event.x_root, event.y_root, 0)
  File "C:\Users\master\AppData\Local\Programs\Python\Python37-32\lib\tkinter\__init__.py", line 2871, in tk_popup
    self.tk.call('tk_popup', self._w, x, y, entry)
_tkinter.TclError: unknown option "-state