import requests

import get_from_reddit

def change_avatar():
    image = None
    while not image:
        image = get_from_reddit.get_image(boards='smuganimegirls')
        extension = image.split('.')[-1]
        local_smug = "/tmp/smug.{}".format(extension)

        # save an image locally
        if extension.lower() in ['png', 'jpg']:
            with open(local_smug, 'wb') as f:
              f.write(requests.get(image).content)
            return open(local_smug, 'rb').read()
        else:
            image = None