black reformatting (#29342)

Author: ganevgv

pandas/tests/series/test_dtypes.py

@@ -518,3 +518,13 @@ def test_values_compatibility(self, data):
         result = pd.Series(data).values
         expected = np.array(data.astype(object))
         tm.assert_numpy_array_equal(result, expected)
+
+    def test_reindex_astype_order_consistency(self):
+        # GH 17444
+        s = Series([1, 2, 3], index=[2, 0, 1])
+        new_index = [0, 1, 2]
+        temp_dtype = "category"
+        new_dtype = str
+        s1 = s.reindex(new_index).astype(temp_dtype).astype(new_dtype)
+        s2 = s.astype(temp_dtype).reindex(new_index).astype(new_dtype)
+        tm.assert_series_equal(s1, s2)