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Fix testyacc.py to work with Python 3.15 - #318
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Signed-off-by: Tom spot Callaway <spotaws@amazon.com>
echoix
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Dec 18, 2025
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cache_from_source(), from importlib.util, is now strict about enforcing only valid args in Python 3.15. This is appropriately conditionalized in testlex.py, but not in testyacc.py.
Note: I did not add support for the optional optimization parameter in testyacc.py, because I don't think it matters too much here, but it would be straightforward to do so if I'm wrong.