From efc800725d67b284ec51c47fda5ee362bc316407 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?tonghuaroot=20=28=E7=AB=A5=E8=AF=9D=29?=
 <tonghuaroot@gmail.com>
Date: Sun, 18 Jan 2026 15:07:12 +0800
Subject: [PATCH 1/2] gh-143986: Modernize Lib/uuid.py: use f-strings

---
 Lib/uuid.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Lib/uuid.py b/Lib/uuid.py
index c0150a59d7cb9a..6c16fd366ba917 100644
--- a/Lib/uuid.py
+++ b/Lib/uuid.py
@@ -323,7 +323,7 @@ def __int__(self):
         return self.int
 
     def __repr__(self):
-        return '%s(%r)' % (self.__class__.__name__, str(self))
+        return f'{self.__class__.__name__}({str(self)!r})'
 
     def __setattr__(self, name, value):
         raise TypeError('UUID objects are immutable')
@@ -611,7 +611,7 @@ def _arp_getnode():
         return mac
 
     # This works on Linux, FreeBSD and NetBSD
-    mac = _find_mac_near_keyword('arp', '-an', [os.fsencode('(%s)' % ip_addr)],
+    mac = _find_mac_near_keyword('arp', '-an', [os.fsencode(f'({ip_addr})')],
                     lambda i: i+2)
     # Return None instead of 0.
     if mac:
@@ -718,7 +718,7 @@ def getnode():
             continue
         if (_node is not None) and (0 <= _node < (1 << 48)):
             return _node
-    assert False, '_random_getnode() returned invalid value: {}'.format(_node)
+    assert False, f'_random_getnode() returned invalid value: {_node}'
 
 
 _last_timestamp = None

From c8a083752aedc59c18b5375d07a6e4fd0a30788e Mon Sep 17 00:00:00 2001
From: "blurb-it[bot]" <43283697+blurb-it[bot]@users.noreply.github.com>
Date: Sun, 18 Jan 2026 07:09:40 +0000
Subject: [PATCH 2/2] =?UTF-8?q?=F0=9F=93=9C=F0=9F=A4=96=20Added=20by=20blu?=
 =?UTF-8?q?rb=5Fit.?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../next/Library/2026-01-18-07-09-38.gh-issue-143986.rt0Hht.rst  | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 Misc/NEWS.d/next/Library/2026-01-18-07-09-38.gh-issue-143986.rt0Hht.rst

diff --git a/Misc/NEWS.d/next/Library/2026-01-18-07-09-38.gh-issue-143986.rt0Hht.rst b/Misc/NEWS.d/next/Library/2026-01-18-07-09-38.gh-issue-143986.rt0Hht.rst
new file mode 100644
index 00000000000000..2f0647330e7297
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2026-01-18-07-09-38.gh-issue-143986.rt0Hht.rst
@@ -0,0 +1 @@
+Modernize the :mod:`uuid` module to use f-strings.