Pv feature2 (pandas-dev#29354)

Author: pv8473h12

pandas/tests/series/test_replace.py

@@ -305,3 +305,15 @@ def test_replace_with_no_overflowerror(self):
         result = s.replace(["100000000000000000000"], [1])
         expected = pd.Series([0, 1, "100000000000000000001"])
         tm.assert_series_equal(result, expected)
+
+    @pytest.mark.parametrize(
+        "ser, exp", [([1, 2, 3], [1, True, 3]), (["x", 2, 3], ["x", True, 3])]
+    )
+    def test_replace_no_cast(self, ser, exp):
+        # GH 9113
+        # BUG: replace int64 dtype with bool coerces to int64
+
+        series = pd.Series(ser)
+        result = series.replace(2, True)
+        expected = pd.Series(exp)
+        tm.assert_series_equal(result, expected)