Merge branch 'main' into feature/assert-produces-warning-enh

# Conflicts: #	pandas/tests/copy_view/test_chained_assignment_deprecation.py #	pandas/tests/frame/methods/test_interpolate.py #	pandas/tests/indexing/test_chaining_and_caching.py

pandas/tests/copy_view/test_chained_assignment_deprecation.py

@@ -29,11 +29,5 @@ def test_series_setitem(indexer):
 def test_frame_setitem(indexer):
  df = DataFrame({"a": [1, 2, 3, 4, 5], "b": 1})
 
- extra_warnings = () if using_copy_on_write else (SettingWithCopyWarning,)
-
- with option_context("chained_assignment", "warn"):
- with tm.raises_chained_assignment_error(
- extra_warnings=extra_warnings,
- extra_match=(None for _ in range(len(extra_warnings))),
- ):
- df[0:3][indexer] = 10
+ with tm.raises_chained_assignment_error():
+ df[0:3][indexer] = 10

pandas/tests/frame/methods/test_interpolate.py

@@ -339,32 +339,10 @@ def test_interp_inplace(self):
  expected = df.copy()
  result = df.copy()
 
- if using_copy_on_write:
- with tm.raises_chained_assignment_error():
- return_value = result["a"].interpolate(inplace=True)
- assert return_value is None
- tm.assert_frame_equal(result, expected_cow)
- else:
- with tm.assert_produces_warning(FutureWarning, match="inplace method"):
- return_value = result["a"].interpolate(inplace=True)
- assert return_value is None
- tm.assert_frame_equal(result, expected)
-
- result = df.copy()
- msg = "The 'downcast' keyword in Series.interpolate is deprecated"
-
- if using_copy_on_write:
- with tm.raises_chained_assignment_error(
- extra_warnings=(FutureWarning,), extra_match=(msg,)
- ):
- return_value = result["a"].interpolate(inplace=True, downcast="infer")
- assert return_value is None
- tm.assert_frame_equal(result, expected_cow)
- else:
- with tm.assert_produces_warning(FutureWarning, match=msg):
- return_value = result["a"].interpolate(inplace=True, downcast="infer")
- assert return_value is None
- tm.assert_frame_equal(result, expected.astype("int64"))
+ with tm.raises_chained_assignment_error():
+ return_value = result["a"].interpolate(inplace=True)
+ assert return_value is None
+ tm.assert_frame_equal(result, expected)
 
  def test_interp_inplace_row(self):
  # GH 10395

pandas/tests/indexing/test_chaining_and_caching.py

@@ -284,23 +284,16 @@ def test_detect_chained_assignment_changing_dtype(self):
  )
  df_original = df.copy()
 
- if using_copy_on_write or warn_copy_on_write:
- with tm.raises_chained_assignment_error():
- df.loc[2]["D"] = "foo"
- with tm.raises_chained_assignment_error():
- df.loc[2]["C"] = "foo"
- tm.assert_frame_equal(df, df_original)
- with tm.raises_chained_assignment_error(
- extra_warnings=(FutureWarning,), extra_match=(None,)
- ):
- df["C"][2] = "foo"
- if using_copy_on_write:
- tm.assert_frame_equal(df, df_original)
- else:
- assert df.loc[2, "C"] == "foo"
- else:
- with pytest.raises(SettingWithCopyError, match=msg):
- df.loc[2]["D"] = "foo"
+ with tm.raises_chained_assignment_error():
+ df.loc[2]["D"] = "foo"
+ with tm.raises_chained_assignment_error():
+ df.loc[2]["C"] = "foo"
+ tm.assert_frame_equal(df, df_original)
+ with tm.raises_chained_assignment_error(
+ extra_warnings=(FutureWarning,), extra_match=(None,)
+ ):
+ df["C"][2] = "foo"
+ tm.assert_frame_equal(df, df_original)
 
  def test_setting_with_copy_bug(self):
  # operating on a copy