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Merge pull request #5 from hhatto/use-github-actions-with-pyproject-toml

support py3.10 and higher versions

revert

use importlib for py38 and lower version

use local test_genericpath

change: not use monky patching

change: call native islink with bytes arg

change: pyobj2str exception msg

fix unit test

fix

change: joinrealpath, realpath

update unit test based on python3.12's path tests

fix: lib path

pip via with -m option