diff --git a/_posts/2020-05-16-Data-Science-From-Scratch-Chapter-9.md b/_posts/2020-05-16-Data-Science-From-Scratch-Chapter-09.md
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rename from _posts/2020-05-16-Data-Science-From-Scratch-Chapter-9.md
rename to _posts/2020-05-16-Data-Science-From-Scratch-Chapter-09.md