Added an xfail for imaginary

Author: TomAugspurger

pandas/tests/test_categorical.py

@@ -1614,6 +1614,13 @@ def test_validate_inplace(self):
             with pytest.raises(ValueError):
                 cat.sort_values(inplace=value)
 
+    @pytest.mark.xfail
+    def test_imaginary(self):
+        values = [1, 2, 3 + 1j]
+        c1 = pd.Categorical(values)
+        tm.assert_index_equal(c1.categories, pd.Index(values))
+        tm.assert_numpy_array_equal(np.array(c1), np.array(values))
+
 
 class TestCategoricalAsBlock(object):