Apply ruff formatting

Author: felixweinberger

tests/issues/test_552_windows_hang.py

@@ -13,8 +13,8 @@
 async def test_windows_stdio_client_no_hang():
     """
     Test for issue #552: stdio_client hangs on Windows 11.
-    
-    This test verifies that the stdio_client can be created and properly 
+
+    This test verifies that the stdio_client can be created and properly
     closed on Windows without hanging, even when the subprocess exits immediately.
     The original issue was that the client would hang indefinitely.
     """
@@ -24,7 +24,7 @@ async def test_windows_stdio_client_no_hang():
         command=sys.executable,
         args=["-c", "import sys; sys.exit(0)"],
     )
-    
+
     # The test passes if we can attempt to create the client without hanging
     # We expect it to fail quickly when the subprocess exits
     with anyio.fail_after(5):  # 5 second timeout - should fail much faster
@@ -39,7 +39,7 @@ async def test_windows_stdio_client_no_hang():
 async def test_windows_stdio_client_json_echo():
     """
     Test stdio_client with a JSON echo server on Windows.
-    
+
     This test creates a subprocess that echoes JSON-RPC messages,
     verifying that the stdio_client can communicate properly on Windows.
     """
@@ -60,16 +60,16 @@ async def test_windows_stdio_client_json_echo():
                 # If not valid JSON, just exit
                 break
     """).strip()
-    
+
     params = StdioServerParameters(
         command=sys.executable,
         args=["-c", echo_script],
     )
-    
+
     # Test should complete without hanging
     with anyio.fail_after(5):
         async with stdio_client(params) as (read, write):
             # The stdio_client should establish connection without hanging
             # Just creating the client successfully is the main test
             # The original issue was it would hang here
-            pass
+            pass