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Tue Jun 7 14:32:14 EDT 2016 · https://mail.python.org/pipermail/python-dev/2016-June/144864.html

On 6/7/2016 1:51 PM, Eric Snow wrote:

> Note: just to be clear, this PEP is *not* about changing
 > ``type.__dict__`` to ``OrderedDict``.

By 'type', do you mean the one and one objected named 'type or the class 
being defined?  To be really clear, will the following change?

 >>> class C: pass

 >>> type(C.__dict__)
<class 'mappingproxy'>

If the proposal only affects (slows) the class definition process, and 
then only minimally, and has no effect on class use, then +1 on being 
able to avoid metaclass and prepare for its most common current usage.

-- 
Terry Jan Reedy

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[Python-Dev] PEP: Ordered Class Definition Namespace