fix: adjust the inspect.signature behaviour to work with Python 3.8 #188
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Python 3.9 changes the behaviour of
inspect.signature- in 3.8 if a class has a parent with a__new__then the__new__is used when getting the class signature, and in 3.9 (and above) the class's__init__is used.Instead of getting the class's signature, get the signature of
__init__explicitly (ignoringself), so that this works in 3.8 as well as 3.9 and above.I've done
uvx --python=3.{8,9,10,11,12} tox -e unit, so things should be good now.Fixes #187