style: Apply Ruff formatting to Windows stdio fixes

Author: spacelord16

src/mcp/client/stdio/__init__.py

@@ -115,11 +115,7 @@ async def stdio_client(server: StdioServerParameters, errlog: TextIO = sys.stder
         process = await _create_platform_compatible_process(
             command=command,
             args=server.args,
-            env=(
-                {**get_default_environment(), **server.env}
-                if server.env is not None
-                else get_default_environment()
-            ),
+            env=({**get_default_environment(), **server.env} if server.env is not None else get_default_environment()),
             errlog=errlog,
             cwd=server.cwd,
         )
@@ -163,9 +159,7 @@ async def stdin_writer():
         try:
             async with write_stream_reader:
                 async for session_message in write_stream_reader:
-                    json = session_message.message.model_dump_json(
-                        by_alias=True, exclude_none=True
-                    )
+                    json = session_message.message.model_dump_json(by_alias=True, exclude_none=True)
                     await process.stdin.send(
                         (json + "\n").encode(
                             encoding=server.encoding,
@@ -246,8 +240,6 @@ async def _create_platform_compatible_process(
     if sys.platform == "win32":
         process = await create_windows_process(command, args, env, errlog, cwd)
     else:
-        process = await anyio.open_process(
-            [command, *args], env=env, stderr=errlog, cwd=cwd
-        )
+        process = await anyio.open_process([command, *args], env=env, stderr=errlog, cwd=cwd)
 
     return process

src/mcp/client/stdio/win32.py

@@ -62,12 +62,8 @@ def __init__(self, popen_obj: subprocess.Popen[bytes]):
         self.stdout_raw = popen_obj.stdout  # type: ignore[assignment]
         self.stderr = popen_obj.stderr  # type: ignore[assignment]
 
-        self.stdin = (
-            FileWriteStream(cast(BinaryIO, self.stdin_raw)) if self.stdin_raw else None
-        )
-        self.stdout = (
-            FileReadStream(cast(BinaryIO, self.stdout_raw)) if self.stdout_raw else None
-        )
+        self.stdin = FileWriteStream(cast(BinaryIO, self.stdin_raw)) if self.stdin_raw else None
+        self.stdout = FileReadStream(cast(BinaryIO, self.stdout_raw)) if self.stdout_raw else None
 
     async def __aenter__(self):
         """Support async context manager entry."""