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Easy Install
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A tool for doing automatic download/extract/build of distutils-based Python
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folder or vice versa. Having the old finders cached may then cause Python
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the replacement distribution. E.g. if an old zipimport.zipimporter instance
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distribution and thus cause such load operations to fail. Note that when
tracking down such remaining stale data, we can not catch every conceivable
usage from here, and we clear only those that we know of and have found to
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