The Document's issue - "Model.first()"  exists, but the method had disappeared yet
The Method is still there:

    def first(self, database, n=1):

https://github.com/coleifer/peewee/blob/b51b230a45e71464d90607ccfdd40ccff4d2d3f8/peewee.py#L2049 thx for u response
I see,  I use it incorrect ,sry!

I think it use  likely   the "get()" method. 
so  i use it by mistake -> 
    # Owner.first()   # error use  

but it should use correctly ->
    Owner.select().where(Owner.name=='Alice').first()   # right use Beat me to it @oz123 thanks for helping out a newcomer.
thanks for "peewee".
I saw a small  issue   when I read the  document .

Document version:  latest

and look follow pic.
![image](https://user-images.githubusercontent.com/30204682/64009446-7146e200-cb4a-11e9-8802-f173503c7117.png)
