diff --git a/src/skill_seekers/cli/enhance_skill_local.py b/src/skill_seekers/cli/enhance_skill_local.py
index 1ddc59f..6fecc6e 100644
--- a/src/skill_seekers/cli/enhance_skill_local.py
+++ b/src/skill_seekers/cli/enhance_skill_local.py
@@ -1214,9 +1214,7 @@ def _detect_api_target() -> tuple[str, str] | None:
     Returns:
         (target, api_key) tuple if an API key is found, else None.
     """
-    anthropic_key = os.environ.get("ANTHROPIC_API_KEY") or os.environ.get(
-        "ANTHROPIC_AUTH_TOKEN"
-    )
+    anthropic_key = os.environ.get("ANTHROPIC_API_KEY") or os.environ.get("ANTHROPIC_AUTH_TOKEN")
     if anthropic_key:
         return ("claude", anthropic_key)
 
diff --git a/tests/test_enhance_skill_local.py b/tests/test_enhance_skill_local.py
index 601db7e..d17eb94 100644
--- a/tests/test_enhance_skill_local.py
+++ b/tests/test_enhance_skill_local.py
@@ -683,9 +683,7 @@ class TestEnhanceDispatcher:
             called_with["target"] = target
             called_with["api_key"] = api_key
 
-        monkeypatch.setattr(
-            "skill_seekers.cli.enhance_skill_local._run_api_enhance", fake_run_api
-        )
+        monkeypatch.setattr("skill_seekers.cli.enhance_skill_local._run_api_enhance", fake_run_api)
         main()
         assert called_with == {"target": "gemini", "api_key": "AIza-test"}