don't use a double dict

pandas-dev · Nov 26, 2017 · 7e19fd2 · 7e19fd2
1 parent 6890299
commit 7e19fd2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/pandas/tests/indexes/common.py b/pandas/tests/indexes/common.py
@@ -1025,7 +1025,7 @@ def test_map_dictlike(self, mapper):
             pytest.skip("tested in test_categorical")
         expected = index
 
-        identity = mapper({x: x for x in index}, index)
+        identity = mapper(index.values, index)
         result = index.map(identity)
         tm.assert_index_equal(result, expected)