style(story-1.6): apply ruff format to msgspec decoder and isolation test

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: lesnik512

src/httpware/decoders/msgspec.py

@@ -9,10 +9,7 @@
     import msgspec
 
 
-MISSING_DEPENDENCY_MESSAGE = (
-    "MsgspecDecoder requires the 'msgspec' extra. "
-    "Install with: pip install httpware[msgspec]"
-)
+MISSING_DEPENDENCY_MESSAGE = "MsgspecDecoder requires the 'msgspec' extra. Install with: pip install httpware[msgspec]"
 
 T = TypeVar("T")
 

tests/test_optional_extras_isolation.py

@@ -15,13 +15,11 @@ def test_importing_httpware_does_not_import_msgspec() -> None:
         [
             sys.executable,
             "-c",
-            "import httpware; import sys; "
-            "sys.exit(0 if 'msgspec' not in sys.modules else 1)",
+            "import httpware; import sys; sys.exit(0 if 'msgspec' not in sys.modules else 1)",
         ],
         check=False,
         capture_output=True,
     )
     assert result.returncode == 0, (
-        "msgspec was loaded transitively by `import httpware`; "
-        f"stdout={result.stdout!r} stderr={result.stderr!r}"
+        f"msgspec was loaded transitively by `import httpware`; stdout={result.stdout!r} stderr={result.stderr!r}"
     )