Replace with nested dict raises for overlapping keys

pandas/core/generic.py

@@ -6640,7 +6640,11 @@ def replace(
 
                 for k, v in items:
                     keys, values = list(zip(*v.items())) or ([], [])
-                    if set(keys) & set(values):
+                    # add another check to avoid boolean being regarded
+                    # as binary in python set
+                    if set(keys) & set(values) and set(map(str, keys)) & set(
+                        map(str, values)
+                    ):
                         raise ValueError(
                             "Replacement not allowed with "
                             "overlapping keys and values"

pandas/tests/generic/test_generic.py

@@ -948,3 +948,18 @@ def test_deprecated_get_dtype_counts(self):
         df = DataFrame([1])
         with tm.assert_produces_warning(FutureWarning):
             df.get_dtype_counts()
+
+    def test_boolean_in_replace(self):
+        # GH 27660
+        df = DataFrame({"col": [False, True, 0, 1]})
+
+#        result = df.replace({"col": {False: 0, True: 1}})
+#        expected = DataFrame({"col": [0, 1, 0, 1]})
+#        assert_frame_equal(result, expected)
+
+#        msg = "Replacement not allowed with overlapping keys and values"
+#        with pytest.raises(ValueError, match=msg):
+#            df.replace({"col": {0: 1, 1: "a"}})
+
+        dd = df.replace({False:1, True:0})
+        assert dd['col'].values == 0