diff --git a/reasoning_gym/algorithmic/ransom_note.py b/reasoning_gym/algorithmic/ransom_note.py
index 90f30758..633cb62c 100644
--- a/reasoning_gym/algorithmic/ransom_note.py
+++ b/reasoning_gym/algorithmic/ransom_note.py
@@ -112,7 +112,7 @@ class RansomNoteDataset(ProceduralDataset):
             return 0.0
 
         s_answer = answer.strip()
-        if not s_answer == str(entry['answer']):
+        if not s_answer == str(entry["answer"]):
             return 0.01
         else:
             return 1.0
diff --git a/tests/test_ransom_note.py b/tests/test_ransom_note.py
index d2509955..f452ca2e 100644
--- a/tests/test_ransom_note.py
+++ b/tests/test_ransom_note.py
@@ -85,7 +85,7 @@ def test_group_anagrams_dataset_items():
         assert solution == solvable
 
         # Test the scoring
-        assert dataset.score_answer(answer=item['answer'], entry=item) == 1.0
+        assert dataset.score_answer(answer=item["answer"], entry=item) == 1.0
         assert dataset.score_answer(answer="gibberish", entry=item) == 0.01
         assert dataset.score_answer(answer=None, entry=item) == 0.0