Fix type of the "host" parameter in asyncio getaddrinfo() (#7517)

Author: agronholm

stdlib/asyncio/base_events.pyi

@@ -100,7 +100,14 @@ class BaseEventLoop(AbstractEventLoop):
     def set_default_executor(self, executor: Any) -> None: ...
     # Network I/O methods returning Futures.
     async def getaddrinfo(
-        self, host: str | None, port: str | int | None, *, family: int = ..., type: int = ..., proto: int = ..., flags: int = ...
+        self,
+        host: bytes | str | None,
+        port: str | int | None,
+        *,
+        family: int = ...,
+        type: int = ...,
+        proto: int = ...,
+        flags: int = ...,
     ) -> list[tuple[AddressFamily, SocketKind, int, str, tuple[str, int] | tuple[str, int, int, int]]]: ...
     async def getnameinfo(self, sockaddr: tuple[str, int] | tuple[str, int, int, int], flags: int = ...) -> tuple[str, str]: ...
     if sys.version_info >= (3, 8):

stdlib/asyncio/events.pyi

@@ -211,7 +211,14 @@ class AbstractEventLoop:
     # Network I/O methods returning Futures.
     @abstractmethod
     async def getaddrinfo(
-        self, host: str | None, port: str | int | None, *, family: int = ..., type: int = ..., proto: int = ..., flags: int = ...
+        self,
+        host: bytes | str | None,
+        port: str | int | None,
+        *,
+        family: int = ...,
+        type: int = ...,
+        proto: int = ...,
+        flags: int = ...,
     ) -> list[tuple[AddressFamily, SocketKind, int, str, tuple[str, int] | tuple[str, int, int, int]]]: ...
     @abstractmethod
     async def getnameinfo(self, sockaddr: tuple[str, int] | tuple[str, int, int, int], flags: int = ...) -> tuple[str, str]: ...