@classmethod
    def get_css_classes(cls, obj):
        css_classes = super(CarouselPlugin, cls).get_css_classes(obj)
        if obj.glossary.get('options', []) in 'slide':
            css_classes.append('slide')
        return css_classes
dataset/ETHPy150Open jrief/djangocms-cascade/cmsplugin_cascade/bootstrap3/carousel.py/CarouselPlugin.get_css_classes/swapped operands of `in`