Stdlib: add container default values (#9909)

stdlib/multiprocessing/context.pyi

@@ -72,7 +72,7 @@ class BaseContext:
         self,
         processes: int | None = None,
         initializer: Callable[..., object] | None = None,
-        initargs: Iterable[Any] = ...,
+        initargs: Iterable[Any] = (),
         maxtasksperchild: int | None = None,
     ) -> _Pool: ...
     @overload

stdlib/multiprocessing/dummy/__init__.pyi

@@ -50,8 +50,8 @@ class DummyProcess(threading.Thread):
         group: Any = None,
         target: Callable[..., object] | None = None,
         name: str | None = None,
-        args: Iterable[Any] = ...,
-        kwargs: Mapping[str, Any] = ...,
+        args: Iterable[Any] = (),
+        kwargs: Mapping[str, Any] = {},
     ) -> None: ...
 
 Process = DummyProcess
@@ -69,9 +69,7 @@ class Value:
 
 def Array(typecode: Any, sequence: Sequence[Any], lock: Any = True) -> array.array[Any]: ...
 def Manager() -> Any: ...
-def Pool(
-    processes: int | None = None, initializer: Callable[..., object] | None = None, initargs: Iterable[Any] = ...
-) -> Any: ...
+def Pool(processes: int | None = None, initializer: Callable[..., object] | None = None, initargs: Iterable[Any] = ()) -> Any: ...
 def active_children() -> list[Any]: ...
 
 current_process = threading.current_thread

stdlib/multiprocessing/managers.pyi

@@ -54,7 +54,7 @@ class BaseProxy:
         manager_owned: bool = False,
     ) -> None: ...
     def __deepcopy__(self, memo: Any | None) -> Any: ...
-    def _callmethod(self, methodname: str, args: tuple[Any, ...] = ..., kwds: dict[Any, Any] = ...) -> None: ...
+    def _callmethod(self, methodname: str, args: tuple[Any, ...] = (), kwds: dict[Any, Any] = {}) -> None: ...
     def _getvalue(self) -> Any: ...
     def __reduce__(self) -> tuple[Any, tuple[Any, Any, str, dict[Any, Any]]]: ...
 
@@ -150,7 +150,7 @@ class BaseManager:
 
     def get_server(self) -> Server: ...
     def connect(self) -> None: ...
-    def start(self, initializer: Callable[..., object] | None = None, initargs: Iterable[Any] = ...) -> None: ...
+    def start(self, initializer: Callable[..., object] | None = None, initargs: Iterable[Any] = ()) -> None: ...
     def shutdown(self) -> None: ...  # only available after start() was called
     def join(self, timeout: float | None = None) -> None: ...  # undocumented
     @property

stdlib/multiprocessing/pool.pyi

@@ -72,16 +72,16 @@ class Pool:
         self,
         processes: int | None = None,
         initializer: Callable[..., object] | None = None,
-        initargs: Iterable[Any] = ...,
+        initargs: Iterable[Any] = (),
         maxtasksperchild: int | None = None,
         context: Any | None = None,
     ) -> None: ...
-    def apply(self, func: Callable[..., _T], args: Iterable[Any] = ..., kwds: Mapping[str, Any] = ...) -> _T: ...
+    def apply(self, func: Callable[..., _T], args: Iterable[Any] = (), kwds: Mapping[str, Any] = {}) -> _T: ...
     def apply_async(
         self,
         func: Callable[..., _T],
-        args: Iterable[Any] = ...,
-        kwds: Mapping[str, Any] = ...,
+        args: Iterable[Any] = (),
+        kwds: Mapping[str, Any] = {},
         callback: Callable[[_T], object] | None = None,
         error_callback: Callable[[BaseException], object] | None = None,
     ) -> AsyncResult[_T]: ...
@@ -115,7 +115,7 @@ class Pool:
 
 class ThreadPool(Pool):
     def __init__(
-        self, processes: int | None = None, initializer: Callable[..., object] | None = None, initargs: Iterable[Any] = ...
+        self, processes: int | None = None, initializer: Callable[..., object] | None = None, initargs: Iterable[Any] = ()
     ) -> None: ...
 
 # undocumented

stdlib/multiprocessing/process.pyi

@@ -17,8 +17,8 @@ class BaseProcess:
         group: None = None,
         target: Callable[..., object] | None = None,
         name: str | None = None,
-        args: Iterable[Any] = ...,
-        kwargs: Mapping[str, Any] = ...,
+        args: Iterable[Any] = (),
+        kwargs: Mapping[str, Any] = {},
         *,
         daemon: bool | None = None,
     ) -> None: ...

stdlib/multiprocessing/util.pyi

@@ -50,14 +50,14 @@ class Finalize:
         self,
         obj: Incomplete | None,
         callback: Callable[..., Incomplete],
-        args: Sequence[Any] = ...,
+        args: Sequence[Any] = (),
         kwargs: Mapping[str, Any] | None = None,
         exitpriority: int | None = None,
     ) -> None: ...
     def __call__(
         self,
         wr: Unused = None,
-        _finalizer_registry: MutableMapping[Incomplete, Incomplete] = ...,
+        _finalizer_registry: MutableMapping[Incomplete, Incomplete] = {},
         sub_debug: Callable[..., object] = ...,
         getpid: Callable[[], int] = ...,
     ) -> Incomplete: ...