def is_seen(self, user_id: str):
        """Have I seen this thread?
        :param user_id: You account user_id
        """
        user_id = str(user_id)
        own_timestamp = int(self.last_seen_at[user_id]["timestamp"])
        timestamps = [
            (int(v["timestamp"]) - own_timestamp) > 0
            for k, v in self.last_seen_at.items()
            if k != user_id
        ]
        return not any(timestamps)
Have I seen this thread?
        :param user_id: You account user_id
        
instagrapi/types.py