Cleanup ephemeral wheel cache properly #968
Merged
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Attribute
self.wheel_cache
has been removed in f6de247, thusself.wheel_cache.cleanup()
will allways throw:and
wheel_cache.cleanup()
will never be called as supposed to be.WheelCache.cleanup() has been introduced in
pip==10.0.0
. Try-except block has been refactored, for it's better to check the pip version explicitly (LBYL) rather than ask for forgiveness (EAFP).Changelog-friendly one-liner: Fix dependency resolver to clean up the ephemeral wheel cache.
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