From aba94d4a6101124db21b8e2243db36a31f2b93e3 Mon Sep 17 00:00:00 2001
From: Paul Becker <paul.bck@gmail.com>
Date: Thu, 12 Mar 2026 10:56:58 +0100
Subject: [PATCH 1/2] Fix division by zero

Please enter the commit message for your changes. Lines starting
---
 Lib/fractions.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Lib/fractions.py b/Lib/fractions.py
index c1b12e7a1c091c..a4bcb825017c49 100644
--- a/Lib/fractions.py
+++ b/Lib/fractions.py
@@ -203,7 +203,7 @@ class Fraction(numbers.Rational):
     __slots__ = ('_numerator', '_denominator')
 
     # We're immutable, so use __new__ not __init__
-    def __new__(cls, numerator=0, denominator=None):
+    def __new__(cls, numerator=0, denominator=1):
         """Constructs a Rational.
 
         Takes a string like '3/2' or '1.5', another Rational instance, a

From 6f0ff0305ab28fbcc98ef002443e51c928694a97 Mon Sep 17 00:00:00 2001
From: "blurb-it[bot]" <43283697+blurb-it[bot]@users.noreply.github.com>
Date: Fri, 13 Mar 2026 08:49:28 +0000
Subject: [PATCH 2/2] =?UTF-8?q?=F0=9F=93=9C=F0=9F=A4=96=20Added=20by=20blu?=
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---
 .../next/macOS/2026-03-13-08-49-26.gh-issue-145902.UiPZUw.rst   | 2 ++
 1 file changed, 2 insertions(+)
 create mode 100644 Misc/NEWS.d/next/macOS/2026-03-13-08-49-26.gh-issue-145902.UiPZUw.rst

diff --git a/Misc/NEWS.d/next/macOS/2026-03-13-08-49-26.gh-issue-145902.UiPZUw.rst b/Misc/NEWS.d/next/macOS/2026-03-13-08-49-26.gh-issue-145902.UiPZUw.rst
new file mode 100644
index 00000000000000..8208c4eb045f59
--- /dev/null
+++ b/Misc/NEWS.d/next/macOS/2026-03-13-08-49-26.gh-issue-145902.UiPZUw.rst
@@ -0,0 +1,2 @@
+Fix incorrect handling of division by zero so that Python consistently
+raises ``ZeroDivisionError`` as expected.