tkinter не рисует картинки

#!/usr/bin/env python
"""
Will test using canvas and Pillow to open a jpg image, and handle mouse click events
"""
from tkinter import *
from PIL import ImageTk, Image

class PhotoCanvas(Frame):

    def __init__(self,master=None):
        
        """Sets up window and widgets"""
        Frame.__init__(self)
        self.master.title("Test")

        # opens the photo and convert them to Tkinter-compatible image objects
        self.image1 = Image.open("test.jpg")
        self.photo = ImageTk.PhotoImage(self.image1)
    
        # returns tuple of width and height of image
        (iWidth, iHeight) = self.image1.size 

        # create a canvas and place in frame
        self.canvas = Canvas(self, width = iWidth, height = iHeight)
        self.canvas.pack(side="top", fill="both", expand=True)
        # places image in upper left corner (NW) on the canvas at x=0, y=0
        self.canvas.create_image(0, 0, image=self.photo, anchor=NW)

root = Tk()
ui = PhotoCanvas(root)
ui.pack(side="top", fill="both", expand=True)
ui.mainloop()

self.canvas.pack(side="top", fill="both", expand=True)

ui.pack(side="top", fill="both", expand=True)

pic = PIL.ImageTk.PhotoImage(PIL.Image.open(self.path)) self.canvas.create_image(0, 0, image=pic)

self.image1 = Image.open("test.jpg")
self.photo = ImageTk.PhotoImage(self.image1)