Phayax

import Tkinter as tk
import ttk
 
class App(tk.Tk):
    def __init__(self):
        # Note that now the App object itself is the tkinter root object
        tk.Tk.__init__(self)

        self.title("actual progress bar")
       

Phayax

import Tkinter as tk

class App:
    def __init__(self):
        self.root = tk.Tk()
        self.root.title("progress bar")
        self.bar1 = "   "
        self.bar2 = "   "
        self.bar3 = "   "
        self.bar4 = "   "

Phayax

import cv2
from pathlib import Path
from PIL import Image

FILE = Path("test/vid_1_short.mp4")

"""
To try this, place it in the folder of surgtoolloc2022-category-1 or 2 and run the script.
Note to compare frames 0 to 60 and 1 to 61. They are identical !!! 
(You can either check the video frame images that are written or the mean values of the images.)