May 22, 2025 · May 22, 2025
diff --git a/Modules/_localemodule.c b/Modules/_localemodule.c
            result = result != NULL ? result : "";
            char *oldloc = NULL;
            if (langinfo_constants[i].category != LC_CTYPE
                && !is_all_ascii(result)
                && (
 #ifdef __GLIBC__
                    // gh-133740: Always change the locale for ALT_DIGITS and ERA
 #  ifdef ALT_DIGITS
                    item == ALT_DIGITS ||
 #  endif
 #  ifdef ERA
                    item == ERA ||
 #  endif
 #endif
                    !is_all_ascii(result))
                && change_locale(langinfo_constants[i].category, &oldloc) < 0)
            {
                return NULL;
Original file line number	Diff line number	Diff line change
Expand Up		@@ -692,7 +692,17 @@ _locale_nl_langinfo_impl(PyObject *module, int item)
		result = result != NULL ? result : "";
		char *oldloc = NULL;
		if (langinfo_constants[i].category != LC_CTYPE
		&& !is_all_ascii(result)
		&& (
		#ifdef __GLIBC__
		// gh-133740: Always change the locale for ALT_DIGITS and ERA
		# ifdef ALT_DIGITS
		item == ALT_DIGITS \|\|
		# endif
		# ifdef ERA
		item == ERA \|\|
		# endif
		#endif
		!is_all_ascii(result))
		&& change_locale(langinfo_constants[i].category, &oldloc) < 0)
		{
		return NULL;
Expand Down