Will do. On Mon, 2021-01-11 at 20:55 -0800, Guido van Rossum wrote: > On Mon, Jan 11, 2021 at 3:51 PM Larry Hastings <la...@hastings.org> > wrote: > > [...] > > > This passage in PEP 563 appears not true in Python 3.9 with > > > __future__ annotations, emphasis mine: > > > > > > > The get_type_hints() function automatically resolves the > > > > correct value of globalns for functions and classes. It also > > > > automatically provides the correct localns for classes. > > > > > > If this passage was true, I believe the issue that resulted in my > > > affixing type hints could have been averted. > > As you've discovered, this is one of the places where PEP 563 seems > > to be out-of-date with respect to its implementation. I sifted > > through the source code to typing.get_type_hints() twice, and near > > as I can figure out, localns is literally only ever set to None > > unless you override it with the parameter. > > > > > This seems to be a bug in get_type_hints() for which someone should > file a bug on bpo, please!
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