diff --git a/features/steps/git_worktree_toctou_race_fix_steps.py b/features/steps/git_worktree_toctou_race_fix_steps.py
index 3836fddab..d6b72d2d1 100644
--- a/features/steps/git_worktree_toctou_race_fix_steps.py
+++ b/features/steps/git_worktree_toctou_race_fix_steps.py
@@ -81,9 +81,7 @@ def step_gwt_toctou_saved_exists(ctx: Context, label: str) -> None:
     )
 
 
-@then(
-    'the gwt toctou saved sandbox paths "{a}" and "{b}" should differ'
-)
+@then('the gwt toctou saved sandbox paths "{a}" and "{b}" should differ')
 def step_gwt_toctou_saved_differ(ctx: Context, a: str, b: str) -> None:
     saved = _ensure_saved_sandboxes(ctx)
     path_a = saved[a].context.sandbox_path
diff --git a/src/cleveragents/infrastructure/sandbox/git_worktree.py b/src/cleveragents/infrastructure/sandbox/git_worktree.py
index 2c864be0b..3974679b8 100644
--- a/src/cleveragents/infrastructure/sandbox/git_worktree.py
+++ b/src/cleveragents/infrastructure/sandbox/git_worktree.py
@@ -719,9 +719,7 @@ class GitWorktreeSandbox:
                 shutil.rmtree(self._worktree_path, ignore_errors=True)
 
         # Remove the parent temporary directory
-        if self._parent_temp_dir is not None and os.path.exists(
-            self._parent_temp_dir
-        ):
+        if self._parent_temp_dir is not None and os.path.exists(self._parent_temp_dir):
             try:
                 shutil.rmtree(self._parent_temp_dir, ignore_errors=False)
                 logger.debug(