if instance in session:
        do something
else:
        do something else


alternatively, you can explicitly say

elif instance in session.new:


On Dec 27, 2008, at 4:35 AM, Chen Houwu wrote:

>
> I want to do as following:
>
> if instance is Transient:
>   do something
> else instance is Pending:
>   do something else
>
> How can I accomplish it?
> >


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