DOC: Updated doc

aschade · aschade · commit d0b39ea16558 · 2018-01-13T14:55:41.000-05:00
diff --git a/doc/source/whatsnew/v0.23.0.txt b/doc/source/whatsnew/v0.23.0.txt
@@ -453,6 +453,7 @@ Reshaping
 - Bug in :func:`Dataframe.pivot_table` which fails when the ``aggfunc`` arg is of type string.  The behavior is now consistent with other methods like ``agg`` and ``apply`` (:issue:`18713`)
 - Bug in :func:`DataFrame.merge` in which merging using ``Index`` objects as vectors raised an Exception (:issue:`19038`)
 - Bug in :func:`DataFrame.stack`, :func:`DataFrame.unstack`, :func:`Series.unstack` which were not returning subclasses (:issue:`15563`)
+- Bug in :func:`DataFrame.drop`, `ValueError` now raises when dropping an `Index` that has duplicates
 -
 
 Numeric

Original file line number	Diff line number	Diff line change
`@@ -453,6 +453,7 @@ Reshaping`
`453`	`453`	- Bug in :func:`Dataframe.pivot_table` which fails when the ``aggfunc`` arg is of type string. The behavior is now consistent with other methods like ``agg`` and ``apply`` (:issue:`18713`)
`454`	`454`	- Bug in :func:`DataFrame.merge` in which merging using ``Index`` objects as vectors raised an Exception (:issue:`19038`)
`455`	`455`	- Bug in :func:`DataFrame.stack`, :func:`DataFrame.unstack`, :func:`Series.unstack` which were not returning subclasses (:issue:`15563`)
	`456`	+- Bug in :func:`DataFrame.drop`, `ValueError` now raises when dropping an `Index` that has duplicates
`456`	`457`	`-`
`457`	`458`
`458`	`459`	`Numeric`