wip

Author: MarcoGorelli

pandas/tests/frame/indexing/test_indexing.py

@@ -832,13 +832,8 @@ def test_setitem_single_column_mixed_datetime(self):
         tm.assert_series_equal(result, expected)
 
         # GH#16674 iNaT is treated as an integer when given by the user
-        with tm.assert_produces_warning(
-            FutureWarning, match="Setting an item of incompatible dtype"
-        ):
+        with pytest.raises(TypeError, match="Invalid value"):
             df.loc["b", "timestamp"] = iNaT
-        assert not isna(df.loc["b", "timestamp"])
-        assert df["timestamp"].dtype == np.object_
-        assert df.loc["b", "timestamp"] == iNaT
 
         # allow this syntax (as of GH#3216)
         df.loc["c", "timestamp"] = np.nan