add whatsnew to v0.20.0

rforgione · rforgione · commit a5a4f02c7718 · 2017-01-04T23:15:57.000-05:00
diff --git a/doc/source/whatsnew/v0.20.0.txt b/doc/source/whatsnew/v0.20.0.txt
@@ -246,6 +246,7 @@ Other API Changes
 - ``DataFrame.applymap()`` with an empty ``DataFrame`` will return a copy of the empty ``DataFrame`` instead of a ``Series`` (:issue:`8222`)
 
 - ``pd.read_csv()`` will now issue a ``ParserWarning`` whenever there are conflicting values provided by the ``dialect`` parameter and the user (:issue:`14898`)
+- ``inplace`` arguments now require a boolean value, else a ``ValueError`` is thrown (:issue:`14189`)
 
 .. _whatsnew_0200.deprecations:
 
