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/Lib/_pyio.py b/Lib/_pyio.py
index c0b5fd1..f1e3a79 100644
--- a/Lib/_pyio.py
+++ b/Lib/_pyio.py
@@ -2101,7 +2101,7 @@
def __repr__(self):
# TextIOWrapper tells the encoding in its repr. In StringIO,
- # that's a implementation detail.
+ # that's an implementation detail.
return object.__repr__(self)
@property