Render node.

        :return str: Rendered string.

def render(self, context):
        """ Render node.

        :return str: Rendered string.

        """
        try:
            args, ctx = self.get_resolved_arguments(context)
            target = args[0]
            if not target:
                return ''
            ctx['content'] = target
        except VariableDoesNotExist:
            return ''

        emitter = context.get('emitter')
        t_name = emitter.get_template_path(target)
        t = get_template(t_name)
        context.dicts.append(ctx)
        response = t.nodelist.render(context)
        context.pop()
        return response