Fix mypyc failing to compile on CPython 3.10.0a6 (#10202) #57
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* Fix mypyc failing to compile on CPython 3.10.0a6 _PyObject_HasAttrId() has been removed in python/cpython#22629 * Keep using _PyObject_HasAttrId when python version is too old We could potentionally already use _PyObject_LookupAttrId starting with python 3.7 instead of 3.10. I'm not sure if we should switch as soon or as late as possible. Alternatively we could also try backporting _PyObject_LookupAttrId to <3.7.
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_PyObject_HasAttrId() has been removed in
python/cpython#22629
We could potentionally already use _PyObject_LookupAttrId starting with
python 3.7 instead of 3.10. I'm not sure if we should switch as soon or
as late as possible.
Alternatively we could also try backporting _PyObject_LookupAttrId to
<3.7.
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