def get_options(self, thumbnail_options, **kwargs):
        if isinstance(thumbnail_options, ThumbnailOptions):
            return thumbnail_options
        args = []
        if thumbnail_options is not None:
            args.append(thumbnail_options)
        opts = ThumbnailOptions(*args, **kwargs)
        if 'quality' not in thumbnail_options:
            opts['quality'] = self.thumbnail_quality
        return opts
Get the thumbnail options that includes the default options for this
dataset/ETHPy150Open SmileyChris/easy-thumbnails/easy_thumbnails/files.py/Thumbnailer.get_options