wip

Author: MarcoGorelli

pandas/tests/copy_view/test_indexing.py

@@ -805,16 +805,14 @@ def test_set_value_copy_only_necessary_column(indexer_func, indexer, val, col):
     view = df[:]
 
     if val == "a":
-        with tm.assert_produces_warning(
-            FutureWarning, match="Setting an item of incompatible dtype is deprecated"
-        ):
+        with pytest.raises(TypeError, match="Invalid value"):
             indexer_func(df)[indexer] = val
+    else:
+        indexer_func(df)[indexer] = val
 
-    indexer_func(df)[indexer] = val
-
-    assert np.shares_memory(get_array(df, "b"), get_array(view, "b"))
-    assert not np.shares_memory(get_array(df, "a"), get_array(view, "a"))
-    tm.assert_frame_equal(view, df_orig)
+        assert np.shares_memory(get_array(df, "b"), get_array(view, "b"))
+        assert not np.shares_memory(get_array(df, "a"), get_array(view, "a"))
+        tm.assert_frame_equal(view, df_orig)
 
 
 def test_series_midx_slice():

pandas/tests/series/methods/test_update.py

@@ -62,7 +62,10 @@ def test_update(self):
     def test_update_dtypes(self, other, dtype, expected, warn):
         ser = Series([10, 11, 12], dtype=dtype)
         other = Series(other, index=[1, 3])
-        with pytest.raises(TypeError, match="Invalid value"):
+        if warn:
+            with pytest.raises(TypeError, match="Invalid value"):
+                ser.update(other)
+        else:
             ser.update(other)
 
     @pytest.mark.parametrize(