diff --git a/reasoning_gym/scoring.py b/reasoning_gym/scoring.py
index ac2d6972..2bd12e64 100644
--- a/reasoning_gym/scoring.py
+++ b/reasoning_gym/scoring.py
@@ -28,6 +28,7 @@ if TYPE_CHECKING:
 # LaTeX normalisation
 # ---------------------------------------------------------------------------
 
+
 def strip_latex(s: str) -> str:
     """Remove common LaTeX wrappers and normalise whitespace.
 
@@ -47,6 +48,7 @@ def strip_latex(s: str) -> str:
 # Individual matchers
 # ---------------------------------------------------------------------------
 
+
 def string_match(predicted: str, expected: str) -> float:
     """Case-insensitive exact string comparison after stripping whitespace."""
     try:
@@ -123,6 +125,7 @@ def _mathrm_to_text(s: str) -> str:
 # Full cascade
 # ---------------------------------------------------------------------------
 
+
 def cascade_score(
     answer: str,
     expected: str,
diff --git a/tests/test_scoring.py b/tests/test_scoring.py
index 1c7968fb..c8b1540b 100644
--- a/tests/test_scoring.py
+++ b/tests/test_scoring.py
@@ -1,20 +1,13 @@
 import pytest
 
 import reasoning_gym
-from reasoning_gym.scoring import (
-    cascade_score,
-    float_match,
-    math_match,
-    string_match,
-    strip_latex,
-    _mathrm_to_text,
-)
-
+from reasoning_gym.scoring import _mathrm_to_text, cascade_score, float_match, math_match, string_match, strip_latex
 
 # ---------------------------------------------------------------------------
 # strip_latex
 # ---------------------------------------------------------------------------
 
+
 class TestStripLatex:
     def test_inline_math_delimiters(self):
         assert strip_latex(r"\(42\)") == "42"
@@ -52,6 +45,7 @@ class TestStripLatex:
 # string_match
 # ---------------------------------------------------------------------------
 
+
 class TestStringMatch:
     def test_exact(self):
         assert string_match("42", "42") == 1.0
@@ -77,6 +71,7 @@ class TestStringMatch:
 # float_match
 # ---------------------------------------------------------------------------
 
+
 class TestFloatMatch:
     def test_exact(self):
         assert float_match("3.14", "3.14") == 1.0
@@ -107,6 +102,7 @@ class TestFloatMatch:
 # math_match
 # ---------------------------------------------------------------------------
 
+
 class TestMathMatch:
     def test_returns_zero_without_math_verify(self, monkeypatch):
         """When math-verify is not importable, math_match should return 0."""
@@ -138,6 +134,7 @@ class TestMathMatch:
 # _mathrm_to_text helper
 # ---------------------------------------------------------------------------
 
+
 class TestMathrmToText:
     def test_replaces_mathrm(self):
         assert _mathrm_to_text(r"\mathrm{cm}") == r"\text{cm}"
@@ -154,6 +151,7 @@ class TestMathrmToText:
 # cascade_score — without dataset
 # ---------------------------------------------------------------------------
 
+
 class TestCascadeScoreStandalone:
     def test_exact_string(self):
         assert cascade_score("42", "42") >= 0.99
@@ -178,6 +176,7 @@ class TestCascadeScoreStandalone:
 # cascade_score — with a real dataset
 # ---------------------------------------------------------------------------
 
+
 class TestCascadeScoreWithDataset:
     def test_chain_sum_exact(self):
         ds = reasoning_gym.create_dataset("chain_sum", size=5, seed=42)
@@ -205,6 +204,7 @@ class TestCascadeScoreWithDataset:
 # ProceduralDataset.score_answer_cascade convenience method
 # ---------------------------------------------------------------------------
 
+
 class TestScoreAnswerCascadeMethod:
     def test_method_exists(self):
         ds = reasoning_gym.create_dataset("chain_sum", size=1, seed=0)
@@ -238,11 +238,14 @@ class TestScoreAnswerCascadeMethod:
 # Top-level imports
 # ---------------------------------------------------------------------------
 
+
 class TestTopLevelImports:
     def test_cascade_score_importable(self):
         from reasoning_gym import cascade_score as cs
+
         assert callable(cs)
 
     def test_matchers_importable(self):
-        from reasoning_gym import string_match, float_match, math_match, strip_latex
+        from reasoning_gym import float_match, math_match, string_match, strip_latex
+
         assert all(callable(f) for f in [string_match, float_match, math_match, strip_latex])