[Python-Dev] Change in Python 3's "round" behavior

I recently found out about Python 3's round-to-even change (via https://github.com/cosmologicon/pywat!) and am having trouble finding where that change was discussed. I did find the revealingly-invalid bug report https://bugs.python.org/issue32956 ("python 3 round bug"), so I asked there, but

[Python-Dev] Intended Usage of collections.abc for Custom Collections

://github.com/jab/bidict/blob/master/bidict/_bidict.py I would be happy to try to capture what I learn from this thread and write up a guide for collections library authors in the future, or otherwise pay your help forward however I can. Thanks and best wishes. -jab

Re: [Python-Dev] Intended Usage of collections.abc for Custom Collections

wasn't actually in the user's code; the offending code is actually in the pandas library, which he was using. I just submitted a PR there in case anyone is interested: https://github.com/pydata/pandas/pull/11461 Thanks again for making my first experience on this list so positive. -jab __