From 1c4c62710191436f119967f277e9fcf0d326f8db Mon Sep 17 00:00:00 2001
From: luke <2736230899@qq.com>
Date: Tue, 14 Mar 2023 18:37:18 +0800
Subject: [PATCH 01/13] DEPR: DataFrame.swapaxes

---
 pandas/core/generic.py                      |  9 +++++++++
 pandas/tests/copy_view/test_methods.py      | 14 +++++++------
 pandas/tests/extension/base/dim2.py         |  5 +++--
 pandas/tests/frame/methods/test_swapaxes.py | 22 ++++++++++++++-------
 pandas/tests/generic/test_finalize.py       |  1 -
 5 files changed, 35 insertions(+), 16 deletions(-)

diff --git a/pandas/core/generic.py b/pandas/core/generic.py
index 5b77bb9651073..372039fe7547f 100644
--- a/pandas/core/generic.py
+++ b/pandas/core/generic.py
@@ -741,6 +741,15 @@ def swapaxes(
         -------
         same as input
         """
+        warnings.warn(
+            # GH#51946
+            f"'{type(self).__name__}.swapaxes' is deprecated and \
+                will be removed in a future version. \
+                Please use '{type(self).__name__}.transpose' instead.",
+            FutureWarning,
+            stacklevel=find_stack_level(),
+        )
+
         i = self._get_axis_number(axis1)
         j = self._get_axis_number(axis2)
 
diff --git a/pandas/tests/copy_view/test_methods.py b/pandas/tests/copy_view/test_methods.py
index 00ac06295572f..9a41d288df9f4 100644
--- a/pandas/tests/copy_view/test_methods.py
+++ b/pandas/tests/copy_view/test_methods.py
@@ -72,7 +72,7 @@ def test_copy_shallow(using_copy_on_write):
         lambda df, copy: df.rename_axis(columns="test", copy=copy),
         lambda df, copy: df.astype({"b": "int64"}, copy=copy),
         # lambda df, copy: df.swaplevel(0, 0, copy=copy),
-        lambda df, copy: df.swapaxes(0, 0, copy=copy),
+        # lambda df, copy: df.swapaxes(0, 0, copy=copy),
         lambda df, copy: df.truncate(0, 5, copy=copy),
         lambda df, copy: df.infer_objects(copy=copy),
         lambda df, copy: df.to_timestamp(copy=copy),
@@ -91,7 +91,6 @@ def test_copy_shallow(using_copy_on_write):
         "rename_axis1",
         "astype",
         # "swaplevel",  # only series
-        "swapaxes",
         "truncate",
         "infer_objects",
         "to_timestamp",
@@ -142,7 +141,7 @@ def test_methods_copy_keyword(
         lambda ser, copy: ser.rename_axis(index="test", copy=copy),
         lambda ser, copy: ser.astype("int64", copy=copy),
         lambda ser, copy: ser.swaplevel(0, 1, copy=copy),
-        lambda ser, copy: ser.swapaxes(0, 0, copy=copy),
+        # lambda ser, copy: ser.swapaxes(0, 0, copy=copy),
         lambda ser, copy: ser.truncate(0, 5, copy=copy),
         lambda ser, copy: ser.infer_objects(copy=copy),
         lambda ser, copy: ser.to_timestamp(copy=copy),
@@ -160,7 +159,6 @@ def test_methods_copy_keyword(
         "rename_axis0",
         "astype",
         "swaplevel",
-        "swapaxes",
         "truncate",
         "infer_objects",
         "to_timestamp",
@@ -610,7 +608,9 @@ def test_to_frame(using_copy_on_write):
 def test_swapaxes_noop(using_copy_on_write, ax):
     df = DataFrame({"a": [1, 2, 3], "b": [4, 5, 6]})
     df_orig = df.copy()
-    df2 = df.swapaxes(ax, ax)
+    msg = "'DataFrame.swapaxes' is deprecated"
+    with tm.assert_produces_warning(FutureWarning, match=msg):
+        df2 = df.swapaxes(ax, ax)
 
     if using_copy_on_write:
         assert np.shares_memory(get_array(df2, "a"), get_array(df, "a"))
@@ -627,7 +627,9 @@ def test_swapaxes_noop(using_copy_on_write, ax):
 def test_swapaxes_single_block(using_copy_on_write):
     df = DataFrame({"a": [1, 2, 3], "b": [4, 5, 6]}, index=["x", "y", "z"])
     df_orig = df.copy()
-    df2 = df.swapaxes("index", "columns")
+    msg = "'DataFrame.swapaxes' is deprecated"
+    with tm.assert_produces_warning(FutureWarning, match=msg):
+        df2 = df.swapaxes("index", "columns")
 
     if using_copy_on_write:
         assert np.shares_memory(get_array(df2, "x"), get_array(df, "a"))
diff --git a/pandas/tests/extension/base/dim2.py b/pandas/tests/extension/base/dim2.py
index 6371411f9992c..5a8ab03599c5e 100644
--- a/pandas/tests/extension/base/dim2.py
+++ b/pandas/tests/extension/base/dim2.py
@@ -37,8 +37,9 @@ def test_frame_from_2d_array(self, data):
 
     def test_swapaxes(self, data):
         arr2d = data.repeat(2).reshape(-1, 2)
-
-        result = arr2d.swapaxes(0, 1)
+        msg = "'DataFrame.swapaxes' is deprecated"
+        with tm.assert_produces_warning(FutureWarning, match=msg):
+            result = arr2d.swapaxes(0, 1)
         expected = arr2d.T
         self.assert_extension_array_equal(result, expected)
 
diff --git a/pandas/tests/frame/methods/test_swapaxes.py b/pandas/tests/frame/methods/test_swapaxes.py
index 5da2c2292f137..f2667fc973cf4 100644
--- a/pandas/tests/frame/methods/test_swapaxes.py
+++ b/pandas/tests/frame/methods/test_swapaxes.py
@@ -8,22 +8,30 @@
 class TestSwapAxes:
     def test_swapaxes(self):
         df = DataFrame(np.random.randn(10, 5))
-        tm.assert_frame_equal(df.T, df.swapaxes(0, 1))
-        tm.assert_frame_equal(df.T, df.swapaxes(1, 0))
+        msg = "'DataFrame.swapaxes' is deprecated"
+        with tm.assert_produces_warning(FutureWarning, match=msg):
+            tm.assert_frame_equal(df.T, df.swapaxes(0, 1))
+            tm.assert_frame_equal(df.T, df.swapaxes(1, 0))
 
     def test_swapaxes_noop(self):
         df = DataFrame(np.random.randn(10, 5))
-        tm.assert_frame_equal(df, df.swapaxes(0, 0))
+        msg = "'DataFrame.swapaxes' is deprecated"
+        with tm.assert_produces_warning(FutureWarning, match=msg):
+            tm.assert_frame_equal(df, df.swapaxes(0, 0))
 
     def test_swapaxes_invalid_axis(self):
         df = DataFrame(np.random.randn(10, 5))
-        msg = "No axis named 2 for object type DataFrame"
-        with pytest.raises(ValueError, match=msg):
-            df.swapaxes(2, 5)
+        msg = "'DataFrame.swapaxes' is deprecated"
+        with tm.assert_produces_warning(FutureWarning, match=msg):
+            msg = "No axis named 2 for object type DataFrame"
+            with pytest.raises(ValueError, match=msg):
+                df.swapaxes(2, 5)
 
     def test_round_empty_not_input(self):
         # GH#51032
         df = DataFrame({"a": [1, 2]})
-        result = df.swapaxes("index", "index")
+        msg = "'DataFrame.swapaxes' is deprecated"
+        with tm.assert_produces_warning(FutureWarning, match=msg):
+            result = df.swapaxes("index", "index")
         tm.assert_frame_equal(df, result)
         assert df is not result
diff --git a/pandas/tests/generic/test_finalize.py b/pandas/tests/generic/test_finalize.py
index d85de12566fb6..cdab112e7ad86 100644
--- a/pandas/tests/generic/test_finalize.py
+++ b/pandas/tests/generic/test_finalize.py
@@ -251,7 +251,6 @@
             operator.methodcaller("isin", pd.DataFrame({"A": [1]})),
         ),
     ),
-    (pd.DataFrame, frame_data, operator.methodcaller("swapaxes", 0, 1)),
     (pd.DataFrame, frame_mi_data, operator.methodcaller("droplevel", "A")),
     (pd.DataFrame, frame_data, operator.methodcaller("pop", "A")),
     pytest.param(

From 7dd96b4e9334cb7ffa7078aa6627b2f54bccfb37 Mon Sep 17 00:00:00 2001
From: luke <2736230899@qq.com>
Date: Tue, 14 Mar 2023 18:52:45 +0800
Subject: [PATCH 02/13] add whatsnew

---
 doc/source/whatsnew/v2.1.0.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/source/whatsnew/v2.1.0.rst b/doc/source/whatsnew/v2.1.0.rst
index 410a324be829e..a685ee12a745d 100644
--- a/doc/source/whatsnew/v2.1.0.rst
+++ b/doc/source/whatsnew/v2.1.0.rst
@@ -100,7 +100,7 @@ Deprecations
 - Deprecated ``axis=1`` in :meth:`DataFrame.groupby` and in :class:`Grouper` constructor, do ``frame.T.groupby(...)`` instead (:issue:`51203`)
 - Deprecated passing a :class:`DataFrame` to :meth:`DataFrame.from_records`, use :meth:`DataFrame.set_index` or :meth:`DataFrame.drop` instead (:issue:`51353`)
 - Deprecated accepting slices in :meth:`DataFrame.take`, call ``obj[slicer]`` or pass a sequence of integers instead (:issue:`51539`)
--
+- Deprecated :meth:`DadaFrame.swapaxes`, use :meth:`DataFrame.transpose` instead (:issue:`51946`)
 
 .. ---------------------------------------------------------------------------
 .. _whatsnew_210.performance:

From 158961b8a5083aa6149856546f4e5bc8584910f2 Mon Sep 17 00:00:00 2001
From: luke <2736230899@qq.com>
Date: Tue, 14 Mar 2023 19:25:37 +0800
Subject: [PATCH 03/13] improve and fix ci

---
 pandas/tests/copy_view/test_methods.py | 24 ++++++++++++++++++++----
 pandas/tests/extension/base/dim2.py    |  4 +---
 2 files changed, 21 insertions(+), 7 deletions(-)

diff --git a/pandas/tests/copy_view/test_methods.py b/pandas/tests/copy_view/test_methods.py
index e9037d2888246..2578772c687f3 100644
--- a/pandas/tests/copy_view/test_methods.py
+++ b/pandas/tests/copy_view/test_methods.py
@@ -1,3 +1,5 @@
+import inspect
+
 import numpy as np
 import pytest
 
@@ -72,7 +74,7 @@ def test_copy_shallow(using_copy_on_write):
         lambda df, copy: df.rename_axis(columns="test", copy=copy),
         lambda df, copy: df.astype({"b": "int64"}, copy=copy),
         # lambda df, copy: df.swaplevel(0, 0, copy=copy),
-        # lambda df, copy: df.swapaxes(0, 0, copy=copy),
+        lambda df, copy: df.swapaxes(0, 0, copy=copy),
         lambda df, copy: df.truncate(0, 5, copy=copy),
         lambda df, copy: df.infer_objects(copy=copy),
         lambda df, copy: df.to_timestamp(copy=copy),
@@ -91,6 +93,7 @@ def test_copy_shallow(using_copy_on_write):
         "rename_axis1",
         "astype",
         # "swaplevel",  # only series
+        "swapaxes",
         "truncate",
         "infer_objects",
         "to_timestamp",
@@ -114,7 +117,13 @@ def test_methods_copy_keyword(
         index = date_range("2012-01-01", freq="D", periods=3, tz="Europe/Brussels")
 
     df = DataFrame({"a": [1, 2, 3], "b": [4, 5, 6], "c": [0.1, 0.2, 0.3]}, index=index)
-    df2 = method(df, copy=copy)
+
+    if "swapaxes" in inspect.getsource(method):
+        msg = "'DataFrame.swapaxes' is deprecated"
+        with tm.assert_produces_warning(FutureWarning, match=msg):
+            df2 = method(df, copy=copy)
+    else:
+        df2 = method(df, copy=copy)
 
     share_memory = using_copy_on_write or copy is False
 
@@ -141,7 +150,7 @@ def test_methods_copy_keyword(
         lambda ser, copy: ser.rename_axis(index="test", copy=copy),
         lambda ser, copy: ser.astype("int64", copy=copy),
         lambda ser, copy: ser.swaplevel(0, 1, copy=copy),
-        # lambda ser, copy: ser.swapaxes(0, 0, copy=copy),
+        lambda ser, copy: ser.swapaxes(0, 0, copy=copy),
         lambda ser, copy: ser.truncate(0, 5, copy=copy),
         lambda ser, copy: ser.infer_objects(copy=copy),
         lambda ser, copy: ser.to_timestamp(copy=copy),
@@ -159,6 +168,7 @@ def test_methods_copy_keyword(
         "rename_axis0",
         "astype",
         "swaplevel",
+        "swapaxes",
         "truncate",
         "infer_objects",
         "to_timestamp",
@@ -182,7 +192,13 @@ def test_methods_series_copy_keyword(request, method, copy, using_copy_on_write)
         index = MultiIndex.from_arrays([[1, 2, 3], [4, 5, 6]])
 
     ser = Series([1, 2, 3], index=index)
-    ser2 = method(ser, copy=copy)
+
+    if "swapaxes" in inspect.getsource(method):
+        msg = "'Series.swapaxes' is deprecated"
+        with tm.assert_produces_warning(FutureWarning, match=msg):
+            ser2 = method(ser, copy=copy)
+    else:
+        ser2 = method(ser, copy=copy)
 
     share_memory = using_copy_on_write or copy is False
 
diff --git a/pandas/tests/extension/base/dim2.py b/pandas/tests/extension/base/dim2.py
index 5a8ab03599c5e..0542948017488 100644
--- a/pandas/tests/extension/base/dim2.py
+++ b/pandas/tests/extension/base/dim2.py
@@ -37,9 +37,7 @@ def test_frame_from_2d_array(self, data):
 
     def test_swapaxes(self, data):
         arr2d = data.repeat(2).reshape(-1, 2)
-        msg = "'DataFrame.swapaxes' is deprecated"
-        with tm.assert_produces_warning(FutureWarning, match=msg):
-            result = arr2d.swapaxes(0, 1)
+        result = arr2d.swapaxes(0, 1)
         expected = arr2d.T
         self.assert_extension_array_equal(result, expected)
 

From 9890bf9b22632ad8af867b9407a3c039cc8667e5 Mon Sep 17 00:00:00 2001
From: luke <2736230899@qq.com>
Date: Tue, 14 Mar 2023 19:28:37 +0800
Subject: [PATCH 04/13] improve whatsnew

---
 doc/source/whatsnew/v2.1.0.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/source/whatsnew/v2.1.0.rst b/doc/source/whatsnew/v2.1.0.rst
index a685ee12a745d..943f1e21e3f3e 100644
--- a/doc/source/whatsnew/v2.1.0.rst
+++ b/doc/source/whatsnew/v2.1.0.rst
@@ -100,7 +100,7 @@ Deprecations
 - Deprecated ``axis=1`` in :meth:`DataFrame.groupby` and in :class:`Grouper` constructor, do ``frame.T.groupby(...)`` instead (:issue:`51203`)
 - Deprecated passing a :class:`DataFrame` to :meth:`DataFrame.from_records`, use :meth:`DataFrame.set_index` or :meth:`DataFrame.drop` instead (:issue:`51353`)
 - Deprecated accepting slices in :meth:`DataFrame.take`, call ``obj[slicer]`` or pass a sequence of integers instead (:issue:`51539`)
-- Deprecated :meth:`DadaFrame.swapaxes`, use :meth:`DataFrame.transpose` instead (:issue:`51946`)
+- Deprecated :meth:`DadaFrame.swapaxes` and :meth:`Series.swapaxes`, use :meth:`DataFrame.transpose` or :meth:`Series.transpose` instead (:issue:`51946`)
 
 .. ---------------------------------------------------------------------------
 .. _whatsnew_210.performance:

From 5b6046094a35d94f8be5ec5bbe490e74836eb009 Mon Sep 17 00:00:00 2001
From: luke <2736230899@qq.com>
Date: Tue, 14 Mar 2023 19:32:18 +0800
Subject: [PATCH 05/13] improve typo and blank line

---
 doc/source/whatsnew/v2.1.0.rst        | 2 +-
 pandas/tests/extension/base/dim2.py   | 1 +
 pandas/tests/generic/test_finalize.py | 1 +
 3 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/doc/source/whatsnew/v2.1.0.rst b/doc/source/whatsnew/v2.1.0.rst
index 943f1e21e3f3e..dd5123c42a46d 100644
--- a/doc/source/whatsnew/v2.1.0.rst
+++ b/doc/source/whatsnew/v2.1.0.rst
@@ -100,7 +100,7 @@ Deprecations
 - Deprecated ``axis=1`` in :meth:`DataFrame.groupby` and in :class:`Grouper` constructor, do ``frame.T.groupby(...)`` instead (:issue:`51203`)
 - Deprecated passing a :class:`DataFrame` to :meth:`DataFrame.from_records`, use :meth:`DataFrame.set_index` or :meth:`DataFrame.drop` instead (:issue:`51353`)
 - Deprecated accepting slices in :meth:`DataFrame.take`, call ``obj[slicer]`` or pass a sequence of integers instead (:issue:`51539`)
-- Deprecated :meth:`DadaFrame.swapaxes` and :meth:`Series.swapaxes`, use :meth:`DataFrame.transpose` or :meth:`Series.transpose` instead (:issue:`51946`)
+- Deprecated :meth:`DataFrame.swapaxes` and :meth:`Series.swapaxes`, use :meth:`DataFrame.transpose` or :meth:`Series.transpose` instead (:issue:`51946`)
 
 .. ---------------------------------------------------------------------------
 .. _whatsnew_210.performance:
diff --git a/pandas/tests/extension/base/dim2.py b/pandas/tests/extension/base/dim2.py
index 0542948017488..6371411f9992c 100644
--- a/pandas/tests/extension/base/dim2.py
+++ b/pandas/tests/extension/base/dim2.py
@@ -37,6 +37,7 @@ def test_frame_from_2d_array(self, data):
 
     def test_swapaxes(self, data):
         arr2d = data.repeat(2).reshape(-1, 2)
+
         result = arr2d.swapaxes(0, 1)
         expected = arr2d.T
         self.assert_extension_array_equal(result, expected)
diff --git a/pandas/tests/generic/test_finalize.py b/pandas/tests/generic/test_finalize.py
index cdab112e7ad86..0f688675ae441 100644
--- a/pandas/tests/generic/test_finalize.py
+++ b/pandas/tests/generic/test_finalize.py
@@ -252,6 +252,7 @@
         ),
     ),
     (pd.DataFrame, frame_mi_data, operator.methodcaller("droplevel", "A")),
+    (pd.DataFrame, frame_data, operator.methodcaller("swapaxes", 0, 1)),
     (pd.DataFrame, frame_data, operator.methodcaller("pop", "A")),
     pytest.param(
         (pd.DataFrame, frame_data, operator.methodcaller("squeeze")),

From 3595fb479e1314c52514b767c95f86f5aba8c8f3 Mon Sep 17 00:00:00 2001
From: luke <2736230899@qq.com>
Date: Tue, 14 Mar 2023 19:33:43 +0800
Subject: [PATCH 06/13] fix layout

---
 pandas/tests/generic/test_finalize.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pandas/tests/generic/test_finalize.py b/pandas/tests/generic/test_finalize.py
index 0f688675ae441..d85de12566fb6 100644
--- a/pandas/tests/generic/test_finalize.py
+++ b/pandas/tests/generic/test_finalize.py
@@ -251,8 +251,8 @@
             operator.methodcaller("isin", pd.DataFrame({"A": [1]})),
         ),
     ),
-    (pd.DataFrame, frame_mi_data, operator.methodcaller("droplevel", "A")),
     (pd.DataFrame, frame_data, operator.methodcaller("swapaxes", 0, 1)),
+    (pd.DataFrame, frame_mi_data, operator.methodcaller("droplevel", "A")),
     (pd.DataFrame, frame_data, operator.methodcaller("pop", "A")),
     pytest.param(
         (pd.DataFrame, frame_data, operator.methodcaller("squeeze")),

From 532ee3adc826de806ef6742665bcb02cf9f500e1 Mon Sep 17 00:00:00 2001
From: luke <2736230899@qq.com>
Date: Wed, 15 Mar 2023 08:32:23 +0800
Subject: [PATCH 07/13] delete swapaxes in test_finalize

---
 pandas/tests/generic/test_finalize.py | 1 -
 1 file changed, 1 deletion(-)

diff --git a/pandas/tests/generic/test_finalize.py b/pandas/tests/generic/test_finalize.py
index d85de12566fb6..cdab112e7ad86 100644
--- a/pandas/tests/generic/test_finalize.py
+++ b/pandas/tests/generic/test_finalize.py
@@ -251,7 +251,6 @@
             operator.methodcaller("isin", pd.DataFrame({"A": [1]})),
         ),
     ),
-    (pd.DataFrame, frame_data, operator.methodcaller("swapaxes", 0, 1)),
     (pd.DataFrame, frame_mi_data, operator.methodcaller("droplevel", "A")),
     (pd.DataFrame, frame_data, operator.methodcaller("pop", "A")),
     pytest.param(

From 3c027ec0b46e15efacde0af0d240f6130c3fb9d1 Mon Sep 17 00:00:00 2001
From: luke <2736230899@qq.com>
Date: Wed, 15 Mar 2023 10:54:46 +0800
Subject: [PATCH 08/13] fix ci

---
 pandas/tests/copy_view/test_methods.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pandas/tests/copy_view/test_methods.py b/pandas/tests/copy_view/test_methods.py
index d8f6c7e5275b1..492e0b4b2eb0b 100644
--- a/pandas/tests/copy_view/test_methods.py
+++ b/pandas/tests/copy_view/test_methods.py
@@ -661,7 +661,9 @@ def test_swapaxes_single_block(using_copy_on_write):
 
 def test_swapaxes_read_only_array():
     df = DataFrame({"a": [1, 2], "b": 3})
-    df = df.swapaxes(axis1="index", axis2="columns")
+    msg = "'DataFrame.swapaxes' is deprecated"
+    with tm.assert_produces_warning(FutureWarning, match=msg):
+        df = df.swapaxes(axis1="index", axis2="columns")
     df.iloc[0, 0] = 100
     expected = DataFrame({0: [100, 3], 1: [2, 3]}, index=["a", "b"])
     tm.assert_frame_equal(df, expected)

From a052f5e0889818e05409f90f22bd6faaca57c385 Mon Sep 17 00:00:00 2001
From: luke <2736230899@qq.com>
Date: Thu, 16 Mar 2023 11:07:46 +0800
Subject: [PATCH 09/13] fix ci

---
 doc/source/whatsnew/v2.1.0.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/source/whatsnew/v2.1.0.rst b/doc/source/whatsnew/v2.1.0.rst
index 756556a433035..cfd47cd007374 100644
--- a/doc/source/whatsnew/v2.1.0.rst
+++ b/doc/source/whatsnew/v2.1.0.rst
@@ -103,7 +103,7 @@ Deprecations
 - Deprecated accepting slices in :meth:`DataFrame.take`, call ``obj[slicer]`` or pass a sequence of integers instead (:issue:`51539`)
 - Deprecated 'method', 'limit', and 'fill_axis' keywords in :meth:`DataFrame.align` and :meth:`Series.align`, explicitly call ``fillna`` on the alignment results instead (:issue:`51856`)
 - Deprecated :meth:`DataFrame.swapaxes` and :meth:`Series.swapaxes`, use :meth:`DataFrame.transpose` or :meth:`Series.transpose` instead (:issue:`51946`)
-- 
+-
 
 .. ---------------------------------------------------------------------------
 .. _whatsnew_210.performance:

From 6647c6e4ffa42a88f84e886ad05c7c2e9de67daf Mon Sep 17 00:00:00 2001
From: luke <2736230899@qq.com>
Date: Sun, 19 Mar 2023 21:02:58 +0800
Subject: [PATCH 10/13] fix msg

---
 pandas/core/generic.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/pandas/core/generic.py b/pandas/core/generic.py
index 4b4786d68142d..0706d5ec6f01e 100644
--- a/pandas/core/generic.py
+++ b/pandas/core/generic.py
@@ -743,9 +743,9 @@ def swapaxes(self, axis1: Axis, axis2: Axis, copy: bool_t | None = None) -> Self
         """
         warnings.warn(
             # GH#51946
-            f"'{type(self).__name__}.swapaxes' is deprecated and \
-                will be removed in a future version. \
-                Please use '{type(self).__name__}.transpose' instead.",
+            f"'{type(self).__name__}.swapaxes' is deprecated and "
+            "will be removed in a future version. "
+            "Please use '{type(self).__name__}.transpose' instead.",
             FutureWarning,
             stacklevel=find_stack_level(),
         )

From d23f0dfd605585885af5018725e3aecbe6202329 Mon Sep 17 00:00:00 2001
From: luke <2736230899@qq.com>
Date: Mon, 20 Mar 2023 10:37:02 +0800
Subject: [PATCH 11/13] fix ci numpydev

---
 pandas/tests/generic/test_generic.py | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/pandas/tests/generic/test_generic.py b/pandas/tests/generic/test_generic.py
index 74d8277c975e4..d23d97f43de03 100644
--- a/pandas/tests/generic/test_generic.py
+++ b/pandas/tests/generic/test_generic.py
@@ -230,8 +230,11 @@ def test_size_compat(self, frame_or_series):
     def test_split_compat(self, frame_or_series):
         # xref GH8846
         o = construct(frame_or_series, shape=10)
-        assert len(np.array_split(o, 5)) == 5
-        assert len(np.array_split(o, 2)) == 2
+        with tm.assert_produces_warning(
+            FutureWarning, match=".swapaxes' is deprecated", check_stacklevel=False
+        ):
+            assert len(np.array_split(o, 5)) == 5
+            assert len(np.array_split(o, 2)) == 2
 
     # See gh-12301
     def test_stat_unexpected_keyword(self, frame_or_series):

From 09cf70aca5816981b4f4914c806a80d8a0bedbcf Mon Sep 17 00:00:00 2001
From: Zhengbo Wang <77875500+luke396@users.noreply.github.com>
Date: Tue, 21 Mar 2023 08:25:30 +0800
Subject: [PATCH 12/13] Update pandas/core/generic.py

Co-authored-by: Matthew Roeschke <10647082+mroeschke@users.noreply.github.com>
---
 pandas/core/generic.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pandas/core/generic.py b/pandas/core/generic.py
index 247fa15b09575..997f1b054037d 100644
--- a/pandas/core/generic.py
+++ b/pandas/core/generic.py
@@ -745,7 +745,7 @@ def swapaxes(self, axis1: Axis, axis2: Axis, copy: bool_t | None = None) -> Self
             # GH#51946
             f"'{type(self).__name__}.swapaxes' is deprecated and "
             "will be removed in a future version. "
-            "Please use '{type(self).__name__}.transpose' instead.",
+            f"Please use '{type(self).__name__}.transpose' instead.",
             FutureWarning,
             stacklevel=find_stack_level(),
         )

From f1f661bd052c3a3294fcc502d5c2727c71f635d9 Mon Sep 17 00:00:00 2001
From: luke <2736230899@qq.com>
Date: Tue, 21 Mar 2023 08:53:35 +0800
Subject: [PATCH 13/13] use  request.node.callspec.id instead

---
 pandas/tests/copy_view/test_methods.py | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/pandas/tests/copy_view/test_methods.py b/pandas/tests/copy_view/test_methods.py
index 3bb1cf5736faa..7b8bc35f016b1 100644
--- a/pandas/tests/copy_view/test_methods.py
+++ b/pandas/tests/copy_view/test_methods.py
@@ -1,5 +1,3 @@
-import inspect
-
 import numpy as np
 import pytest
 
@@ -118,7 +116,7 @@ def test_methods_copy_keyword(
 
     df = DataFrame({"a": [1, 2, 3], "b": [4, 5, 6], "c": [0.1, 0.2, 0.3]}, index=index)
 
-    if "swapaxes" in inspect.getsource(method):
+    if "swapaxes" in request.node.callspec.id:
         msg = "'DataFrame.swapaxes' is deprecated"
         with tm.assert_produces_warning(FutureWarning, match=msg):
             df2 = method(df, copy=copy)
@@ -193,7 +191,7 @@ def test_methods_series_copy_keyword(request, method, copy, using_copy_on_write)
 
     ser = Series([1, 2, 3], index=index)
 
-    if "swapaxes" in inspect.getsource(method):
+    if "swapaxes" in request.node.callspec.id:
         msg = "'Series.swapaxes' is deprecated"
         with tm.assert_produces_warning(FutureWarning, match=msg):
             ser2 = method(ser, copy=copy)