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.

1 files changed, 2 insertions, 2 deletions

diff --git a/Lib/pickle.py b/Lib/pickle.py
index c7298af..d05316e 100644
--- a/Lib/pickle.py
+++ b/Lib/pickle.py
@@ -362,7 +362,7 @@ class _Pickler:
 
         The *file* argument must have a write() method that accepts a
         single bytes argument. It can thus be a file object opened for
-        binary writing, a io.BytesIO instance, or any other custom
+        binary writing, an io.BytesIO instance, or any other custom
         object that meets this interface.
 
         If *fix_imports* is True and *protocol* is less than 3, pickle
@@ -983,7 +983,7 @@ class _Unpickler:
         The argument *file* must have two methods, a read() method that
         takes an integer argument, and a readline() method that requires
         no arguments.  Both methods should return bytes.  Thus *file*
-        can be a binary file object opened for reading, a io.BytesIO
+        can be a binary file object opened for reading, an io.BytesIO
         object, or any other custom object that meets this interface.
 
         The file-like object must have two methods, a read() method