Leave empty slot when not using accessors#3531

Merged

crusaderky merged 1 commit intopydata:masterfrom crusaderky:cache_readonly

Nov 15, 2019

+13-11

Commits on Nov 14, 2019

Use _cache instead of _accessors to reuse the same dict that pandas.util.cache_readonly uses. Do not create cache dict until actually needed.
crusaderky
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