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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def save_avatar(self, image):
 """Save an avatar as raw image, return new filename. :param image: The image that needs to be saved. """

        path = current_app.config['AVATARS_SAVE_PATH']
        filename = uuid4().hex + '_raw.png'
        image.save(os.path.join(path, filename))
        return filename