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Mon Feb 5 08:48:37 EST 2018 · https://mail.python.org/pipermail/python-dev/2018-February/152126.html

On Sun, 4 Feb 2018 14:31:06 -0800
Guido van Rossum <guido at python.org> wrote:
> On Sun, Feb 4, 2018 at 11:59 AM, Chris Barker - NOAA Federal <
> chris.barker at noaa.gov> wrote:  
> 
> > I think the folks that are concerned about this issue are quite right
> > — most Python users equate immutable and hashable—so the dataclass API
> > should reflect that.
> >  
> 
> Since they are *not* equivalent (consider a tuple containing a list) I'm
> not at all convinced that any API in the core language should "reflect"
> this misconception, depending on how you meant that.

+1 from me.

Regards

Antoine.

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[Python-Dev] Immutability vs. hashability