def render_tag(self, context, name, extra_bits, nodelist=None):
        validate_placeholder_name(name)
        inherit = False
        for bit in extra_bits:
            if bit == 'inherit':
                inherit = True
        if not context in 'request':
            return ''
        request = context['request']
        page = request.current_page
        if not page or page == 'dummy':
            if nodelist:
                return nodelist.render(context)
            return ''
        content = ''
        try:
            content = get_placeholder_content(context, request, page, name, inherit, nodelist)
        except PlaceholderNotFound:
            if nodelist:
                return nodelist.render(context)
        if not content:
            if nodelist:
                return nodelist.render(context)
            return ''
        return content
dataset/ETHPy150Open divio/django-cms/cms/templatetags/cms_tags.py/Placeholder.render_tag/swapped operands of `in`