On Thursday, June 27, 2019 at 9:45:42 PM UTC+9, Simon King wrote:
>
> Hi! 
>
> Is it a Python object? 
>

Yes.
 

> A cached method (if that hasn't changed since I last looked at the code) 
> stores the cached values in some dict stored as an attribute, and when 
> you pickle the object (at least when no __reduce__ method interferes), 
> it should automatically store that attribute. 
>
> But you say that the method is called "genus". So, probably it has not 
> function arguments, right? It could be that the cache is stored 
> differently in that case. 
>
> I think if pickling doesn't preserve the content of the cached method 
> then it is a bug. 
>

>From the code, I learned that there is "do_pickle" option. With 
"do_pickle=True", the content of the cached method is indeed preserved with 
an experimental class. I will check again with my production code.

Thanks.

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