From b7b9124131f7e8005cd9906260bb709704425d3b Mon Sep 17 00:00:00 2001 From: fjetter Date: Sun, 22 Apr 2018 17:57:33 +0200 Subject: [PATCH] Add changelog for bugfix --- doc/source/whatsnew/v0.23.0.txt | 1 + 1 file changed, 1 insertion(+) diff --git a/doc/source/whatsnew/v0.23.0.txt b/doc/source/whatsnew/v0.23.0.txt index bcc442189bf11b..364f66de82d4c6 100644 --- a/doc/source/whatsnew/v0.23.0.txt +++ b/doc/source/whatsnew/v0.23.0.txt @@ -1190,6 +1190,7 @@ Sparse Reshaping ^^^^^^^^^ +- Bug in :func:`DataFrame.merge` where referencing a `CategoricalIndex` by name in the `by` param raises a `KeyError` - Bug in :func:`DataFrame.stack` which fails trying to sort mixed type levels under Python 3 (:issue:`18310`) - Bug in :func:`DataFrame.unstack` which casts int to float if ``columns`` is a ``MultiIndex`` with unused levels (:issue:`17845`) - Bug in :func:`DataFrame.unstack` which raises an error if ``index`` is a ``MultiIndex`` with unused labels on the unstacked level (:issue:`18562`)