https://github.com/python/cpython/commit/a273bc99d2ff853f59ee6da4d897b1be72a03975
commit: a273bc99d2ff853f59ee6da4d897b1be72a03975
branch: main
author: Zheng Yu <[email protected]>
committer: ZeroIntensity <[email protected]>
date: 2025-12-22T23:35:23-05:00
summary:

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

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

files:
A Misc/NEWS.d/next/Library/2025-12-22-22-36-21.gh-issue-122431.9E3085.rst
M Modules/readline.c

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 00000000000000..8936ac9395f743
--- /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 cc84eb6229e66d..579a34b02ceb67 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;
     }
 

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