AI review changes

Author: 2bndy5

cpp_linter_hooks/util.py

@@ -60,17 +60,18 @@ def parse_version(v: str):
 
 
 def _install_tool(tool: str, version: str) -> Optional[Path]:
-    """Install a tool using pip, suppressing output."""
+    """Install a tool using pip, logging output on failure."""
     result = subprocess.run(
         [sys.executable, "-m", "pip", "install", f"{tool}=={version}"],
         capture_output=True,
+        text=True,
     )
     if result.returncode == 0:
         return shutil.which(tool)
     else:
         LOG.error("pip failed to install %s %s", tool, version)
-        LOG.error(result.stdout.decode(encoding="utf-8"))
-        LOG.error(result.stderr.decode(encoding="utf-8"))
+        LOG.error(result.stdout)
+        LOG.error(result.stderr)
         return None
 
 

tests/test_util.py

@@ -136,6 +136,7 @@ def patched_run(*args, **kwargs):
         mock_run.assert_called_once_with(
             [sys.executable, "-m", "pip", "install", "clang-format==20.1.7"],
             capture_output=True,
+            text=True,
         )