From 8b25ba677899c9e7f3bcc657769a93c075c0c76a Mon Sep 17 00:00:00 2001
From: Marco Edward Gorelli <marcogorelli@protonmail.com>
Date: Thu, 7 Mar 2024 12:51:10 +0000
Subject: [PATCH] Backport PR #57759: DOC: add whatsnew for v2.2.2

---
 doc/source/whatsnew/index.rst  |  1 +
 doc/source/whatsnew/v2.2.2.rst | 36 ++++++++++++++++++++++++++++++++++
 pandas/core/groupby/generic.py |  2 --
 3 files changed, 37 insertions(+), 2 deletions(-)
 create mode 100644 doc/source/whatsnew/v2.2.2.rst

diff --git a/doc/source/whatsnew/index.rst b/doc/source/whatsnew/index.rst
index 3a2ab4c17d1bd4..34a2845290d5a5 100644
--- a/doc/source/whatsnew/index.rst
+++ b/doc/source/whatsnew/index.rst
@@ -16,6 +16,7 @@ Version 2.2
 .. toctree::
    :maxdepth: 2
 
+   v2.2.2
    v2.2.1
    v2.2.0
 
diff --git a/doc/source/whatsnew/v2.2.2.rst b/doc/source/whatsnew/v2.2.2.rst
new file mode 100644
index 00000000000000..058f7aebcd5388
--- /dev/null
+++ b/doc/source/whatsnew/v2.2.2.rst
@@ -0,0 +1,36 @@
+.. _whatsnew_222:
+
+What's new in 2.2.2 (April XX, 2024)
+---------------------------------------
+
+These are the changes in pandas 2.2.2. See :ref:`release` for a full changelog
+including other versions of pandas.
+
+{{ header }}
+
+.. ---------------------------------------------------------------------------
+.. _whatsnew_222.regressions:
+
+Fixed regressions
+~~~~~~~~~~~~~~~~~
+-
+
+.. ---------------------------------------------------------------------------
+.. _whatsnew_222.bug_fixes:
+
+Bug fixes
+~~~~~~~~~
+-
+
+.. ---------------------------------------------------------------------------
+.. _whatsnew_222.other:
+
+Other
+~~~~~
+-
+
+.. ---------------------------------------------------------------------------
+.. _whatsnew_222.contributors:
+
+Contributors
+~~~~~~~~~~~~
diff --git a/pandas/core/groupby/generic.py b/pandas/core/groupby/generic.py
index f2e314046fb749..dec53b14aeea10 100644
--- a/pandas/core/groupby/generic.py
+++ b/pandas/core/groupby/generic.py
@@ -20,7 +20,6 @@
     Union,
     cast,
 )
-import warnings
 
 import numpy as np
 
@@ -35,7 +34,6 @@
     Substitution,
     doc,
 )
-from pandas.util._exceptions import find_stack_level
 
 from pandas.core.dtypes.common import (
     ensure_int64,