Pile of images positioned randomly

pile.py

import glob
import random

from PIL import Image
from tqdm import tqdm

images = glob.glob('pngs2/*.png')

width = 700
height = 700
margin = 50

canvas = Image.new("RGBA", (width, height))

for image_fname in tqdm(images):
    img = Image.open(image_fname)
    if img.mode != "RGBA":
        img = img.convert("RGBA")
    #angle = random.randint(-45, 45)
    #rotated = img.rotate(angle, expand=True)
    position = random.randint(0, width - margin), random.randint(0, height - margin)
    canvas.paste(img, position, img)
    #canvas.paste(rotated, position, rotated)


canvas.save("pile.png")