fixup! BUG: Fixed pd.unique on array of tuples

pandas-dev · May 31, 2017 · 8871863 · 8871863
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diff --git a/doc/source/whatsnew/v0.20.2.txt b/doc/source/whatsnew/v0.20.2.txt
@@ -41,7 +41,7 @@ Bug Fixes
   detecting the terminal size. This fix only applies to python 3 (:issue:`16496`)
 - Bug in using ``pathlib.Path`` or ``py.path.local`` objects with io functions (:issue:`16291`)
 - Bug in ``DataFrame.update()`` with ``overwrite=False`` and ``NaN values`` (:issue:`15593`)
-- Bug in :func:`pd.unique` on an array of tuples (:issue:`16519`)
+- Bug in :func:`unique` on an array of tuples (:issue:`16519`)
 
 
 - Fixed a compatibility issue with IPython 6.0's tab completion showing deprecation warnings on Categoricals (:issue:`16409`)

diff --git a/pandas/core/algorithms.py b/pandas/core/algorithms.py
@@ -328,6 +328,11 @@ def unique(values):
     [b, a, c]
     Categories (3, object): [a < b < c]
 
+    An array of tuples
+
+    >>> pd.unique([('a', 'b'), ('b', 'a'), ('a', 'c'), ('b', 'a')])
+    array([('a', 'b'), ('b', 'a'), ('a', 'c')], dtype=object)
+
     See Also
     --------
     pandas.Index.unique