_abc, audioop, … _functools, _json, operator, resource,… now use multiphase initialization as defined by PEP 489

Description

A number of Python modules (_abc, audioop, _bz2, _codecs, _contextvars, _crypt, _functools, _json, _locale, operator, resource, time, _weakref) now use multiphase initialization as defined by PEP 489 ;