From: Zheng Yu <dataisland@outlook.com>
Date: Tue, 23 Dec 2025 04:35:23 +0000 (-0600)
Subject: gh-122431: Correct the non-negative error message in `readline.append_history_file... 
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a273bc99d2ff853f59ee6da4d897b1be72a03975;p=thirdparty%2FPython%2Fcpython.git

gh-122431: Correct the non-negative error message in `readline.append_history_file` (GH-143075)

"positive" -> "non-negative", since zero is included.
---

diff --git a/Misc/NEWS.d/next/Library/2025-12-22-22-36-21.gh-issue-122431.9E3085.rst b/Misc/NEWS.d/next/Library/2025-12-22-22-36-21.gh-issue-122431.9E3085.rst
new file mode 100644
index 000000000000..8936ac9395f7
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2025-12-22-22-36-21.gh-issue-122431.9E3085.rst
@@ -0,0 +1 @@
+Corrected the error message in :func:`readline.append_history_file` to state that ``nelements`` must be non-negative instead of positive.
diff --git a/Modules/readline.c b/Modules/readline.c
index cc84eb6229e6..579a34b02ceb 100644
--- a/Modules/readline.c
+++ b/Modules/readline.c
@@ -391,7 +391,7 @@ readline_append_history_file_impl(PyObject *module, int nelements,
 {
     if (nelements < 0)
     {
-        PyErr_SetString(PyExc_ValueError, "nelements must be positive");
+        PyErr_SetString(PyExc_ValueError, "nelements must be non-negative");
         return NULL;
     }