pythonGH-109190: Copyedit 3.12 What's New: Improved Error Messages (p…

…ython#109654)

Doc/whatsnew/3.12.rst

@@ -98,7 +98,7 @@ Improved Error Messages
 
 * Modules from the standard library are now potentially suggested as part of
  the error messages displayed by the interpreter when a :exc:`NameError` is
- raised to the top level. Contributed by Pablo Galindo in :gh:`98254`.
+ raised to the top level. (Contributed by Pablo Galindo in :gh:`98254`.)
 
  >>> sys.version_info
  Traceback (most recent call last):
@@ -109,25 +109,24 @@ Improved Error Messages
  Now if a :exc:`NameError` is raised in a method and the instance has an
  attribute that's exactly equal to the name in the exception, the suggestion
  will include ``self.<NAME>`` instead of the closest match in the method
- scope. Contributed by Pablo Galindo in :gh:`99139`.
+ scope. (Contributed by Pablo Galindo in :gh:`99139`.)
 
  >>> class A:
  ... def __init__(self):
  ... self.blech = 1
  ...
  ... def foo(self):
  ... somethin = blech
-
+ ...
  >>> A().foo()
  Traceback (most recent call last):
  File "<stdin>", line 1
  somethin = blech
  ^^^^^
  NameError: name 'blech' is not defined. Did you mean: 'self.blech'?
 
-
 * Improve the :exc:`SyntaxError` error message when the user types ``import x
- from y`` instead of ``from y import x``. Contributed by Pablo Galindo in :gh:`98931`.
+ from y`` instead of ``from y import x``. (Contributed by Pablo Galindo in :gh:`98931`.)
 
  >>> import a.y.z from b.y.z
  Traceback (most recent call last):
@@ -138,7 +137,7 @@ Improved Error Messages
 
 * :exc:`ImportError` exceptions raised from failed ``from <module> import
  <name>`` statements now include suggestions for the value of ``<name>`` based on the
- available names in ``<module>``. Contributed by Pablo Galindo in :gh:`91058`.
+ available names in ``<module>``. (Contributed by Pablo Galindo in :gh:`91058`.)
 
  >>> from collections import chainmap
  Traceback (most recent call last):