From 1a113165e87223c8da96f0b12c7c7b9a09ee3d48 Mon Sep 17 00:00:00 2001
From: Cody Maloney <cmaloney@theoreticalchaos.com>
Date: Thu, 18 Jun 2026 15:23:51 -0700
Subject: [PATCH] gh-151596: Add size to _pyio.TextIOBase.readline

---
 Lib/_pyio.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Lib/_pyio.py b/Lib/_pyio.py
index 993f94bc055b2e2..d352f0f9e0f0a6b 100644
--- a/Lib/_pyio.py
+++ b/Lib/_pyio.py
@@ -1928,7 +1928,7 @@ def truncate(self, pos=None):
         """Truncate size to pos, where pos is an int."""
         self._unsupported("truncate")
 
-    def readline(self):
+    def readline(self, size=-1):
         """Read until newline or EOF.
 
         Returns an empty string if EOF is hit immediately.