ChainMap.fromkeys is positional-only
#13239
Closed
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This one took me on a journey. I was looking at
tkinter.Text.countoriginally, and realized it was a bug in stubtest Signatures.I fixed the bug with python/mypy#18287 which only converts parameter names to index-based names if they're positional-only across all overloads. That MR makes the
tkinter.Text.counterror go away without any typeshed changes.I realized it was the same bug that the
ChainMap.fromkeysallowlist entry is commented with, and I removed the line to see what was going on with it with the bug fixed. Stubtest was complaining that it wasn't positional-only. So it doesn't need to wait for that bug to get fixed after all, unless there's a reason I'm missing to go against the implementation on this. [EDIT] The reason was that it's not positional-only before 3.13.