style: Fix trailing whitespace

Author: Developer

tests/test_stdio_eof.py

@@ -14,7 +14,7 @@ async def test_stdio_server_exits_on_eof():
     """Server should exit gracefully when stdin is closed (EOF)."""
     # Create a closed stdin (simulating parent death)
     closed_stdin = StringIO()  # Empty, immediate EOF
-    
+
     # This should complete without hanging
     with anyio.move_on_after(5):  # 5 second timeout
         async with stdio_server() as (read_stream, write_stream):
@@ -23,20 +23,20 @@ async def test_stdio_server_exits_on_eof():
                 await read_stream.receive()
             except anyio.EndOfStream:
                 pass  # Expected - stream closed
-    
+
     # If we get here without timeout, test passes
 
 
-@pytest.mark.anyio  
+@pytest.mark.anyio
 async def test_stdio_server_parent_death_simulation():
     """Simulate parent process death by closing stdin."""
     # Create pipes to simulate stdin/stdout
     stdin_reader, stdin_writer = anyio.create_memory_object_stream[str](10)
-    
+
     async with stdio_server() as (read_stream, write_stream):
         # Close the input to simulate parent death
         await stdin_writer.aclose()
-        
+
         # Server should detect EOF and exit gracefully
         with pytest.raises(anyio.EndOfStream):
             await asyncio.wait_for(read_stream.receive(), timeout=5.0)