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Locally I see test failures in
test_choose_wheel
due to the assertion inconda_lookup()
failing. It seems to result from flaky caching logic. Usingpython>=3.8
's functools, we can get rid of most of the boilerplate. In a subsequent PR we could also remove the module-level boilerplate.In short,
_LookupLoader
was implementing a bunch of caching functionality by hand. This simply uses modern Python andfunctools
to eliminate all that boilerplate.