gh-122431: Correct the non-negative error message in `readline.append_history_file...

"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 (file)
index 0000000..8936ac9
--- /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 cc84eb6229e66d5f889deb3e81fa40c9564ab0c1..579a34b02ceb672891b510366eb7c392e4d80660 100644 (file)
--- 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;
     }