Added whatsnew for GH 14334

Jon M. Mease · Jon M. Mease · commit b35ebdc0c9fc · 2016-10-19T19:50:19.000-04:00
diff --git a/doc/source/whatsnew/v0.20.0.txt b/doc/source/whatsnew/v0.20.0.txt
@@ -80,3 +80,4 @@ Performance Improvements
 
 Bug Fixes
 ~~~~~~~~~
+- Bug in ``df.groupby`` where ``TypeError`` raised when key-only Grouper is passed in a list (:issue:`14334`)

Original file line number	Diff line number	Diff line change
`@@ -80,3 +80,4 @@ Performance Improvements`
`80`	`80`
`81`	`81`	`Bug Fixes`
`82`	`82`	`~~~~~~~~~`
	`83`	+- Bug in ``df.groupby`` where ``TypeError`` raised when key-only Grouper is passed in a list (:issue:`14334`)