diff --git a/tools/coverage_trend.py b/tools/coverage_trend.py
index 523fa213..709eb785 100755
--- a/tools/coverage_trend.py
+++ b/tools/coverage_trend.py
@@ -101,7 +101,9 @@ def main(args: list[str] | None = None) -> int:
     parser.add_argument("--hotspot-limit", type=int, default=15, help="Max hotspot files to show")
     parser.add_argument("--low-threshold", type=float, default=50.0, help="Low coverage threshold")
     parser.add_argument(
-        "--soft", action="store_true", help="Soft gate mode - report only, always exit 0"
+        "--soft",
+        action="store_true",
+        help="Soft gate mode - report only, always exit 0",
     )
     parsed = parser.parse_args(args)
 
diff --git a/tools/llm_provider.py b/tools/llm_provider.py
index ddc08616..977c5444 100644
--- a/tools/llm_provider.py
+++ b/tools/llm_provider.py
@@ -318,7 +318,7 @@ def _parse_response(
                 confidence=adjusted_confidence,
                 reasoning=reasoning,
                 provider_used=self.name,
-                raw_confidence=raw_confidence if adjusted_confidence != raw_confidence else None,
+                raw_confidence=(raw_confidence if adjusted_confidence != raw_confidence else None),
                 confidence_adjusted=adjusted_confidence != raw_confidence,
                 quality_warnings=warnings if warnings else None,
             )