AttributeError: 'Guild' object has no attribute 'icon_url'

guild = bot.get_guild(guild_id)

thumbnail = guild.icon_url if guild.icon_url else None

Error:

thumbnail = guild.icon_url if guild.icon_url else None
                              ^^^^^^^^^^^^^^

AttributeError: ‘Guild’ object has no attribute ‘icon_url’

Im trying to get guild icon url but i cant

>Solution :

thumbnail = guild.icon.url if guild.icon else None