[stdlib] Allow None for params since Python 3.14.1

Author: donbarbos

stdlib/@tests/stubtest_allowlists/py314.txt

@@ -26,10 +26,7 @@ threading.Condition.locked
 
 # Starting with Python 3.14.1, these methods accept None for some of their
 # parameters, but would raise a TypeError with Python 3.14.0.
-mmap.mmap.find
 mmap.mmap.flush
-mmap.mmap.rfind
-multiprocessing.process.BaseProcess.__init__
 
 # ====================================
 # Pre-existing errors from Python 3.13

stdlib/@tests/stubtest_allowlists/py315.txt

@@ -23,7 +23,6 @@ importlib._abc.Loader.load_module
 importlib._bootstrap_external.NamespacePath
 importlib.resources._common.package_to_anchor
 mailbox._ProxyFile.__class_getitem__
-multiprocessing.process.BaseProcess.__init__
 threading.Condition.locked
 
 # =============================================================

stdlib/mmap.pyi

@@ -95,7 +95,8 @@ class mmap:
         else:
             def madvise(self, option: int, start: int = 0, length: int = ..., /) -> None: ...
 
-    if sys.version_info >= (3, 15):
+    if sys.version_info >= (3, 14):
+        # default values changed in Python 3.14.1
         def find(self, view: ReadableBuffer, start: int | None = None, end: int | None = None, /) -> int: ...
         def rfind(self, view: ReadableBuffer, start: int | None = None, end: int | None = None, /) -> int: ...
 

stdlib/multiprocessing/dummy/__init__.pyi

@@ -46,7 +46,7 @@ class DummyProcess(threading.Thread):
     @property
     def exitcode(self) -> Literal[0] | None: ...
     if sys.version_info >= (3, 14):
-        # Default changed in Python 3.14.1
+        # kwargs default changed in Python 3.14.1
         def __init__(
             self,
             group: Any = None,

stdlib/multiprocessing/process.pyi

@@ -9,16 +9,30 @@ class BaseProcess:
     daemon: bool
     authkey: bytes
     _identity: tuple[int, ...]  # undocumented
-    def __init__(
-        self,
-        group: None = None,
-        target: Callable[..., object] | None = None,
-        name: str | None = None,
-        args: Iterable[Any] = (),
-        kwargs: Mapping[str, Any] = {},
-        *,
-        daemon: bool | None = None,
-    ) -> None: ...
+    if sys.version_info >= (3, 14):
+        # kwargs default changed in Python 3.14.1
+        def __init__(
+            self,
+            group: None = None,
+            target: Callable[..., object] | None = None,
+            name: str | None = None,
+            args: Iterable[Any] = (),
+            kwargs: Mapping[str, Any] | None = None,
+            *,
+            daemon: bool | None = None,
+        ) -> None: ...
+    else:
+        def __init__(
+            self,
+            group: None = None,
+            target: Callable[..., object] | None = None,
+            name: str | None = None,
+            args: Iterable[Any] = (),
+            kwargs: Mapping[str, Any] = {},
+            *,
+            daemon: bool | None = None,
+        ) -> None: ...
+
     def run(self) -> None: ...
     def start(self) -> None: ...
     if sys.version_info >= (3, 14):