Issue #25523: Correct "a" article to "an" article
This changes the main documentation, doc strings, source code comments, and a
couple error messages in the test suite. In some cases the word was removed
or edited some other way to fix the grammar.
diff --git a/Python/thread.c b/Python/thread.c
index 4e695ae..810691f 100644
--- a/Python/thread.c
+++ b/Python/thread.c
@@ -31,7 +31,7 @@
threads.
This is valid for HP-UX 11.23 running on an ia64 system. If needed, add
- a check of __ia64 to verify that we're running on a ia64 system instead
+ a check of __ia64 to verify that we're running on an ia64 system instead
of a pa-risc system.
*/
#ifdef __hpux