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gh-95112: Fix What's New 3.10 contribution note periods (#95114) 

Some are missing, a few placed after the ')'.
One ') was missing.
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Terry Jan Reedy 2022-07-21 20:00:52 -04:00 committed by GitHub
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@ -230,7 +230,7 @@ have been incorporated. Some of the most notable ones are as follows:
^ ^
SyntaxError: expected ':' SyntaxError: expected ':'
(Contributed by Pablo Galindo in :issue:`42997`) (Contributed by Pablo Galindo in :issue:`42997`.)
* Unparenthesised tuples in comprehensions targets: * Unparenthesised tuples in comprehensions targets:
@ -242,7 +242,7 @@ have been incorporated. Some of the most notable ones are as follows:
^ ^
SyntaxError: did you forget parentheses around the comprehension target? SyntaxError: did you forget parentheses around the comprehension target?
(Contributed by Pablo Galindo in :issue:`43017`) (Contributed by Pablo Galindo in :issue:`43017`.)
* Missing commas in collection literals and between expressions: * Missing commas in collection literals and between expressions:
@ -257,7 +257,7 @@ have been incorporated. Some of the most notable ones are as follows:
^ ^
SyntaxError: invalid syntax. Perhaps you forgot a comma? SyntaxError: invalid syntax. Perhaps you forgot a comma?
(Contributed by Pablo Galindo in :issue:`43822`) (Contributed by Pablo Galindo in :issue:`43822`.)
* Multiple Exception types without parentheses: * Multiple Exception types without parentheses:
@ -271,7 +271,7 @@ have been incorporated. Some of the most notable ones are as follows:
^ ^
SyntaxError: multiple exception types must be parenthesized SyntaxError: multiple exception types must be parenthesized
(Contributed by Pablo Galindo in :issue:`43149`) (Contributed by Pablo Galindo in :issue:`43149`.)
* Missing ``:`` and values in dictionary literals: * Missing ``:`` and values in dictionary literals:
@ -293,7 +293,7 @@ have been incorporated. Some of the most notable ones are as follows:
^ ^
SyntaxError: ':' expected after dictionary key SyntaxError: ':' expected after dictionary key
(Contributed by Pablo Galindo in :issue:`43823`) (Contributed by Pablo Galindo in :issue:`43823`.)
* ``try`` blocks without ``except`` or ``finally`` blocks: * ``try`` blocks without ``except`` or ``finally`` blocks:
@ -307,7 +307,7 @@ have been incorporated. Some of the most notable ones are as follows:
^^^^^^^^^ ^^^^^^^^^
SyntaxError: expected 'except' or 'finally' block SyntaxError: expected 'except' or 'finally' block
(Contributed by Pablo Galindo in :issue:`44305`) (Contributed by Pablo Galindo in :issue:`44305`.)
* Usage of ``=`` instead of ``==`` in comparisons: * Usage of ``=`` instead of ``==`` in comparisons:
@ -319,7 +319,7 @@ have been incorporated. Some of the most notable ones are as follows:
^ ^
SyntaxError: cannot assign to attribute here. Maybe you meant '==' instead of '='? SyntaxError: cannot assign to attribute here. Maybe you meant '==' instead of '='?
(Contributed by Pablo Galindo in :issue:`43797`) (Contributed by Pablo Galindo in :issue:`43797`.)
* Usage of ``*`` in f-strings: * Usage of ``*`` in f-strings:
@ -331,7 +331,7 @@ have been incorporated. Some of the most notable ones are as follows:
^ ^
SyntaxError: f-string: cannot use starred expression here SyntaxError: f-string: cannot use starred expression here
(Contributed by Pablo Galindo in :issue:`41064`) (Contributed by Pablo Galindo in :issue:`41064`.)
IndentationErrors IndentationErrors
~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~
@ -1048,7 +1048,7 @@ keyword-only. This will probably be the most common usage:
Here, ``z`` and ``t`` are keyword-only parameters, while ``x`` and Here, ``z`` and ``t`` are keyword-only parameters, while ``x`` and
``y`` are not. ``y`` are not.
(Contributed by Eric V. Smith in :issue:`43532`) (Contributed by Eric V. Smith in :issue:`43532`.)
.. _distutils-deprecated: .. _distutils-deprecated:
@ -1266,11 +1266,11 @@ pathlib
------- -------
Add slice support to :attr:`PurePath.parents <pathlib.PurePath.parents>`. Add slice support to :attr:`PurePath.parents <pathlib.PurePath.parents>`.
(Contributed by Joshua Cannon in :issue:`35498`) (Contributed by Joshua Cannon in :issue:`35498`.)
Add negative indexing support to :attr:`PurePath.parents Add negative indexing support to :attr:`PurePath.parents
<pathlib.PurePath.parents>`. <pathlib.PurePath.parents>`.
(Contributed by Yaroslav Pankovych in :issue:`21041`) (Contributed by Yaroslav Pankovych in :issue:`21041`.)
Add :meth:`Path.hardlink_to <pathlib.Path.hardlink_to>` method that Add :meth:`Path.hardlink_to <pathlib.Path.hardlink_to>` method that
supersedes :meth:`~pathlib.Path.link_to`. The new method has the same argument supersedes :meth:`~pathlib.Path.link_to`. The new method has the same argument
@ -1288,7 +1288,7 @@ platform
Add :func:`platform.freedesktop_os_release()` to retrieve operation system Add :func:`platform.freedesktop_os_release()` to retrieve operation system
identification from `freedesktop.org os-release identification from `freedesktop.org os-release
<https://www.freedesktop.org/software/systemd/man/os-release.html>`_ standard file. <https://www.freedesktop.org/software/systemd/man/os-release.html>`_ standard file.
(Contributed by Christian Heimes in :issue:`28468`) (Contributed by Christian Heimes in :issue:`28468`.)
pprint pprint
------ ------
@ -1473,7 +1473,7 @@ and to match the behavior of static type checkers specified in the PEP.
Add new function :func:`typing.is_typeddict` to introspect if an annotation Add new function :func:`typing.is_typeddict` to introspect if an annotation
is a :class:`typing.TypedDict`. is a :class:`typing.TypedDict`.
(Contributed by Patrick Reader in :issue:`41792`) (Contributed by Patrick Reader in :issue:`41792`.)
Subclasses of ``typing.Protocol`` which only have data variables declared Subclasses of ``typing.Protocol`` which only have data variables declared
will now raise a ``TypeError`` when checked with ``isinstance`` unless they will now raise a ``TypeError`` when checked with ``isinstance`` unless they
@ -1481,14 +1481,14 @@ are decorated with :func:`runtime_checkable`. Previously, these checks
passed silently. Users should decorate their passed silently. Users should decorate their
subclasses with the :func:`runtime_checkable` decorator subclasses with the :func:`runtime_checkable` decorator
if they want runtime protocols. if they want runtime protocols.
(Contributed by Yurii Karabas in :issue:`38908`) (Contributed by Yurii Karabas in :issue:`38908`.)
Importing from the ``typing.io`` and ``typing.re`` submodules will now emit Importing from the ``typing.io`` and ``typing.re`` submodules will now emit
:exc:`DeprecationWarning`. These submodules have been deprecated since :exc:`DeprecationWarning`. These submodules have been deprecated since
Python 3.8 and will be removed in a future version of Python. Anything Python 3.8 and will be removed in a future version of Python. Anything
belonging to those submodules should be imported directly from belonging to those submodules should be imported directly from
:mod:`typing` instead. :mod:`typing` instead.
(Contributed by Sebastian Rittau in :issue:`38291`) (Contributed by Sebastian Rittau in :issue:`38291`.)
unittest unittest
-------- --------
@ -1566,7 +1566,7 @@ Optimizations
strings, and the function object lazily converts this into the annotations dict strings, and the function object lazily converts this into the annotations dict
on demand. This optimization cuts the CPU time needed to define an annotated on demand. This optimization cuts the CPU time needed to define an annotated
function by half. function by half.
(Contributed by Yurii Karabas and Inada Naoki in :issue:`42202`) (Contributed by Yurii Karabas and Inada Naoki in :issue:`42202`.)
* Substring search functions such as ``str1 in str2`` and ``str2.find(str1)`` * Substring search functions such as ``str1 in str2`` and ``str2.find(str1)``
now sometimes use Crochemore & Perrin's "Two-Way" string searching now sometimes use Crochemore & Perrin's "Two-Way" string searching
@ -1575,16 +1575,16 @@ Optimizations
* Add micro-optimizations to ``_PyType_Lookup()`` to improve type attribute cache lookup * Add micro-optimizations to ``_PyType_Lookup()`` to improve type attribute cache lookup
performance in the common case of cache hits. This makes the interpreter 1.04 times faster performance in the common case of cache hits. This makes the interpreter 1.04 times faster
on average. (Contributed by Dino Viehland in :issue:`43452`) on average. (Contributed by Dino Viehland in :issue:`43452`.)
* The following built-in functions now support the faster :pep:`590` vectorcall calling convention: * The following built-in functions now support the faster :pep:`590` vectorcall calling convention:
:func:`map`, :func:`filter`, :func:`reversed`, :func:`bool` and :func:`float`. :func:`map`, :func:`filter`, :func:`reversed`, :func:`bool` and :func:`float`.
(Contributed by Dong-hee Na and Jeroen Demeyer in :issue:`43575`, :issue:`43287`, :issue:`41922`, :issue:`41873` and :issue:`41870`) (Contributed by Dong-hee Na and Jeroen Demeyer in :issue:`43575`, :issue:`43287`, :issue:`41922`, :issue:`41873` and :issue:`41870`.)
* :class:`BZ2File` performance is improved by removing internal ``RLock``. * :class:`BZ2File` performance is improved by removing internal ``RLock``.
This makes :class:`BZ2File` thread unsafe in the face of multiple simultaneous This makes :class:`BZ2File` thread unsafe in the face of multiple simultaneous
readers or writers, just like its equivalent classes in :mod:`gzip` and readers or writers, just like its equivalent classes in :mod:`gzip` and
:mod:`lzma` have always been. (Contributed by Inada Naoki in :issue:`43785`). :mod:`lzma` have always been. (Contributed by Inada Naoki in :issue:`43785`.)
.. _whatsnew310-deprecated: .. _whatsnew310-deprecated:
@ -1600,7 +1600,7 @@ Deprecated
:keyword:`for`, :keyword:`if`, :keyword:`in`, :keyword:`is` and :keyword:`or`. :keyword:`for`, :keyword:`if`, :keyword:`in`, :keyword:`is` and :keyword:`or`.
In future releases it will be changed to syntax warning, and finally to In future releases it will be changed to syntax warning, and finally to
syntax error. syntax error.
(Contributed by Serhiy Storchaka in :issue:`43833`). (Contributed by Serhiy Storchaka in :issue:`43833`.)
* Starting in this release, there will be a concerted effort to begin * Starting in this release, there will be a concerted effort to begin
cleaning up old import semantics that were kept for Python 2.7 cleaning up old import semantics that were kept for Python 2.7
@ -1788,7 +1788,7 @@ Deprecated
:exc:`DeprecationWarning`. These submodules will be removed in a future version :exc:`DeprecationWarning`. These submodules will be removed in a future version
of Python. Anything belonging to these submodules should be imported directly of Python. Anything belonging to these submodules should be imported directly
from :mod:`typing` instead. from :mod:`typing` instead.
(Contributed by Sebastian Rittau in :issue:`38291`) (Contributed by Sebastian Rittau in :issue:`38291`.)
.. _whatsnew310-removed: .. _whatsnew310-removed:
@ -1871,7 +1871,7 @@ Changes in the Python syntax
syntax error. To get rid of the warning and make the code compatible with syntax error. To get rid of the warning and make the code compatible with
future releases just add a space between the numeric literal and the future releases just add a space between the numeric literal and the
following keyword. following keyword.
(Contributed by Serhiy Storchaka in :issue:`43833`). (Contributed by Serhiy Storchaka in :issue:`43833`.)
.. _changes-python-api: .. _changes-python-api:
@ -1981,7 +1981,7 @@ CPython bytecode changes
* The ``MAKE_FUNCTION`` instruction now accepts either a dict or a tuple of * The ``MAKE_FUNCTION`` instruction now accepts either a dict or a tuple of
strings as the function's annotations. strings as the function's annotations.
(Contributed by Yurii Karabas and Inada Naoki in :issue:`42202`) (Contributed by Yurii Karabas and Inada Naoki in :issue:`42202`.)
Build Changes Build Changes
============= =============
@ -2197,7 +2197,7 @@ Porting to Python 3.10
directory. These files must not be included directly, as they are already directory. These files must not be included directly, as they are already
included in ``Python.h``: :ref:`Include Files <api-includes>`. If they have included in ``Python.h``: :ref:`Include Files <api-includes>`. If they have
been included directly, consider including ``Python.h`` instead. been included directly, consider including ``Python.h`` instead.
(Contributed by Nicholas Sim in :issue:`35134`) (Contributed by Nicholas Sim in :issue:`35134`.)
* Use the :c:data:`Py_TPFLAGS_IMMUTABLETYPE` type flag to create immutable type * Use the :c:data:`Py_TPFLAGS_IMMUTABLETYPE` type flag to create immutable type
objects. Do not rely on :c:data:`Py_TPFLAGS_HEAPTYPE` to decide if a type objects. Do not rely on :c:data:`Py_TPFLAGS_HEAPTYPE` to decide if a type
@ -2207,7 +2207,7 @@ Porting to Python 3.10
* The undocumented function ``Py_FrozenMain`` has been removed from the * The undocumented function ``Py_FrozenMain`` has been removed from the
limited API. The function is mainly useful for custom builds of Python. limited API. The function is mainly useful for custom builds of Python.
(Contributed by Petr Viktorin in :issue:`26241`) (Contributed by Petr Viktorin in :issue:`26241`.)
Deprecated Deprecated
---------- ----------