Go into even more detail in types after looking at changes

src/trio/_tests/test_ssl.py

@@ -10,7 +10,6 @@
 from ssl import SSLContext
 from typing import (
     TYPE_CHECKING,
-    Any,
     NoReturn,
 )
 
@@ -407,8 +406,8 @@ def ssl_wrap_pair(
     client_transport: T_Stream,
     server_transport: T_Stream,
     *,
-    client_kwargs: dict[str, Any] | None = None,
-    server_kwargs: dict[str, Any] | None = None,
+    client_kwargs: dict[str, str | bytes | bool | None] | None = None,
+    server_kwargs: dict[str, str | bytes | bool | None] | None = None,
 ) -> tuple[SSLStream[T_Stream], SSLStream[T_Stream]]:
     if server_kwargs is None:
         server_kwargs = {}
@@ -418,13 +417,13 @@ def ssl_wrap_pair(
         client_transport,
         client_ctx,
         server_hostname="trio-test-1.example.org",
-        **client_kwargs,
+        **client_kwargs,  # type: ignore[arg-type]
     )
     server_ssl = SSLStream(
         server_transport,
         SERVER_CTX,
         server_side=True,
-        **server_kwargs,
+        **server_kwargs,  # type: ignore[arg-type]
     )
     return client_ssl, server_ssl
 
@@ -434,7 +433,7 @@ def ssl_wrap_pair(
 
 def ssl_memory_stream_pair(
     client_ctx: SSLContext,
-    **kwargs: dict[str, Any] | None,
+    **kwargs: dict[str, str | bytes | bool | None] | None,
 ) -> tuple[
     SSLStream[MemoryStapledStream],
     SSLStream[MemoryStapledStream],
@@ -448,7 +447,7 @@ def ssl_memory_stream_pair(
 
 def ssl_lockstep_stream_pair(
     client_ctx: SSLContext,
-    **kwargs: dict[str, Any] | None,
+    **kwargs: dict[str, str | bytes | bool | None] | None,
 ) -> tuple[
     SSLStream[MyStapledStream],
     SSLStream[MyStapledStream],

src/trio/_tests/test_subprocess.py

@@ -92,7 +92,7 @@ def got_signal(proc: Process, sig: SignalType) -> bool:
 
 @asynccontextmanager  # type: ignore[misc]  # Any in decorated
 async def open_process_then_kill(
-    *args: Any,  # noqa: ANN401  # Any used
+    *args: Any,  # noqa: ANN401  # Any used, different OS -> different args
     **kwargs: Any,  # noqa: ANN401
 ) -> AsyncIterator[Process]:
     proc = await open_process(*args, **kwargs)
@@ -105,7 +105,7 @@ async def open_process_then_kill(
 
 @asynccontextmanager  # type: ignore[misc]  # Any in decorated
 async def run_process_in_nursery(
-    *args: Any,  # noqa: ANN401  # Any used
+    *args: Any,  # noqa: ANN401  # Any used, different OS -> different args
     **kwargs: Any,  # noqa: ANN401
 ) -> AsyncIterator[Process]:
     async with _core.open_nursery() as nursery:

src/trio/_tests/test_unix_pipes.py

@@ -12,6 +12,9 @@
 from .._core._tests.tutil import gc_collect_harder, skip_if_fbsd_pipes_broken
 from ..testing import check_one_way_stream, wait_all_tasks_blocked
 
+if TYPE_CHECKING:
+    from .._file_io import _HasFileNo
+
 posix = os.name == "posix"
 pytestmark = pytest.mark.skipif(not posix, reason="posix only")
 
@@ -197,8 +200,8 @@ async def expect_closedresourceerror() -> None:
 
     orig_wait_readable = _core._run.TheIOManager.wait_readable
 
-    async def patched_wait_readable(*args: object, **kwargs: object) -> None:
-        await orig_wait_readable(*args, **kwargs)
+    async def patched_wait_readable(fd: int | _HasFileNo) -> None:
+        await orig_wait_readable(fd)
         await r.aclose()
 
     monkeypatch.setattr(_core._run.TheIOManager, "wait_readable", patched_wait_readable)
@@ -225,8 +228,8 @@ async def expect_closedresourceerror() -> None:
 
     orig_wait_writable = _core._run.TheIOManager.wait_writable
 
-    async def patched_wait_writable(*args: object, **kwargs: object) -> None:
-        await orig_wait_writable(*args, **kwargs)
+    async def patched_wait_writable(fd: int | _HasFileNo) -> None:
+        await orig_wait_writable(fd)
         await s.aclose()
 
     monkeypatch.setattr(_core._run.TheIOManager, "wait_writable", patched_wait_writable)

src/trio/testing/_fake_net.py

@@ -36,6 +36,8 @@
 
     from typing_extensions import Buffer, Self, TypeAlias
 
+    from trio._socket import AddressFormat
+
 IPAddress: TypeAlias = Union[ipaddress.IPv4Address, ipaddress.IPv6Address]
 
 
@@ -313,7 +315,7 @@ async def _sendmsg(
         buffers: Iterable[Buffer],
         ancdata: Iterable[tuple[int, int, Buffer]] = (),
         flags: int = 0,
-        address: object | None = None,
+        address: AddressFormat | None = None,
     ) -> int:
         self._check_closed()