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From: Terry Jan Reedy <tjreedy@udel.edu>
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Date: Mon, 27 May 2013 13:52:42 -0400
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On 5/27/2013 12:54 PM, Carlos Nepomuceno wrote:

> I think PEP 3151 is a step ahead! That's almost exactly what I was looking for. Why did it take so long to have that implemented? 		 	   		

Since this PEP involved changing existing features, rather than adding 
something mew, it probably took moe time and discussion to get consensus 
on details of the change.