From 56a1e6563d3abe1a9c27872bb0b0f18f9c5bdce8 Mon Sep 17 00:00:00 2001
From: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
Date: Tue, 2 Dec 2025 09:54:26 +0200
Subject: [PATCH] Block until data is read

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

diff --git a/Lib/http/server.py b/Lib/http/server.py
index 226ca3b16ccbeb..d2daeab6fd3deb 100644
--- a/Lib/http/server.py
+++ b/Lib/http/server.py
@@ -1291,7 +1291,7 @@ def run_cgi(self):
                 cursize = 0
                 data = self.rfile.read(min(nbytes, _MIN_READ_BUF_SIZE))
                 while (len(data) < nbytes and len(data) != cursize and
-                       select.select([self.rfile._sock], [], [], 0)[0]):
+                       select.select([self.rfile._sock], [], [], None)[0]):
                     cursize = len(data)
                     # This is a geometric increase in read size (never more
                     # than doubling our the current length of data per loop