[Tutor] FW: NameError: name 'pics' is not defined

[derek]

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   From: [2]derek
   Sent: Thursday, April 15, 2021 12:47 PM
   To: [3]tutor at python.org
   Subject: NameError: name 'pics' is not defined



 import numpy as np
 import sys
 import face_recognition
 import cv2
 import os
 import tkinter as tk
 from PIL import ImageTk, Image
 from tkinter import *
 from tkinter import filedialog

 global pics

 # definitions
 def openFile():
     pics = filedialog.askopenfilename()

     print(pics)

 # things to do
 # find file in pictures
 # loop over pictures in file name
 # data base SQL lite

 (program_name) = "Image Recognition Machine Learning Algorithm"
 (defwinsize) = "450x450"
 TitleOfOFD = "select pictures for processing"

 win = tk.Tk()
 button = Button(text=TitleOfOFD, command=openFile)
 canvas = Canvas(win, width=300, height=300)
 canvas.create_image(200, 200, anchor=NW, image=pics)
 button.pack()
 canvas.pack()

 win.title(program_name)
 win.geometry(defwinsize)

 win.mainloop()





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