from twython import Twython
import glob
import random

app_key = "XXX"
app_secret = "XXX"
oauth_token = "XXX"
oauth_token_secret = "XXX"
twitter = Twython(app_key, app_secret, oauth_token, oauth_token_secret)

    def RandomImageTwitt(folder):
        #Takes the folder where your images are as the input
        images = glob.glob(folder + "*")
        image_open = open(images[random.randint(0,len(images))-1])
        twitter.update_status_with_media(media=image_open)

RandomImageTwitt("/home/XXX/.reddit-twitter-image/XXX/")