diff --git a/docs/examples/modelling/plot_classifier_bettor.py b/docs/examples/modelling/plot_classifier_bettor.py
index 34561d9..4d2cd85 100644
--- a/docs/examples/modelling/plot_classifier_bettor.py
+++ b/docs/examples/modelling/plot_classifier_bettor.py
@@ -13,6 +13,7 @@
 from sklearn.model_selection import TimeSeriesSplit, cross_val_score
 from sklearn.neighbors import KNeighborsClassifier
 from sklearn.pipeline import make_pipeline
+
 from sportsbet.datasets import SoccerDataLoader
 from sportsbet.evaluation import ClassifierBettor, backtest
 
diff --git a/src/sportsbet/datasets/_soccer/_data.py b/src/sportsbet/datasets/_soccer/_data.py
index 9315ab9..232e603 100644
--- a/src/sportsbet/datasets/_soccer/_data.py
+++ b/src/sportsbet/datasets/_soccer/_data.py
@@ -22,9 +22,7 @@
 
 MODELLING_URL = 'https://github.com/georgedouzas/sports-betting/tree/data/data/soccer/modelling'
 TRAINING_URL = 'https://raw.githubusercontent.com/georgedouzas/sports-betting/data/data/soccer/modelling/{league}_{division}_{year}.csv'
-FIXTURES_URL = (
-    'https://raw.githubusercontent.com/georgedouzas/sports-betting/data/data/soccer/modelling/fixtures.csv'
-)
+FIXTURES_URL = 'https://raw.githubusercontent.com/georgedouzas/sports-betting/data/data/soccer/modelling/fixtures.csv'
 
 
 class SoccerDataLoader(_BaseDataLoader):
diff --git a/tests/cli/test_bettor.py b/tests/cli/test_bettor.py
index 322183a..e02594e 100644
--- a/tests/cli/test_bettor.py
+++ b/tests/cli/test_bettor.py
@@ -1,6 +1,7 @@
 """Test the bettor commands."""
 
 import pytest
+
 from sportsbet.cli import main
 
 
diff --git a/tests/cli/test_dataloader.py b/tests/cli/test_dataloader.py
index 854cdb1..12018e3 100644
--- a/tests/cli/test_dataloader.py
+++ b/tests/cli/test_dataloader.py
@@ -1,6 +1,7 @@
 """Test the dataloader commands."""
 
 import pytest
+
 from sportsbet.cli import main
 
 
diff --git a/tests/cli/test_main.py b/tests/cli/test_main.py
index 34372e5..48c63e5 100644
--- a/tests/cli/test_main.py
+++ b/tests/cli/test_main.py
@@ -1,6 +1,7 @@
 """Test the main commands."""
 
 import pytest
+
 from sportsbet.cli import main
 
 
diff --git a/tests/conftest.py b/tests/conftest.py
index c355561..2f6e3fe 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -25,7 +25,7 @@ def pandas_terminal_width() -> None:  # noqa: PT004
     pd.set_option('display.max_columns', 1000)
 
 
-@pytest.fixture()
+@pytest.fixture
 def cli_config_path(tmp_path: Path) -> Path:
     """Create configuration file."""
     with Path.open(tmp_path / 'config.py', 'wt') as config_file:
diff --git a/tests/datasets/test_dummy.py b/tests/datasets/test_dummy.py
index 14e2a27..cbadb6e 100644
--- a/tests/datasets/test_dummy.py
+++ b/tests/datasets/test_dummy.py
@@ -7,6 +7,7 @@
 import pandas as pd
 import pytest
 from sklearn.model_selection import ParameterGrid
+
 from sportsbet.datasets import DummySoccerDataLoader
 
 
diff --git a/tests/evaluation/__init__.py b/tests/evaluation/__init__.py
index 9127903..85717f3 100644
--- a/tests/evaluation/__init__.py
+++ b/tests/evaluation/__init__.py
@@ -4,10 +4,11 @@
 
 import numpy as np
 import pandas as pd
+from typing_extensions import Self
+
 from sportsbet import Data
 from sportsbet.datasets import DummySoccerDataLoader
 from sportsbet.evaluation._base import _BaseBettor
-from typing_extensions import Self
 
 X_train, Y_train, O_train = DummySoccerDataLoader().extract_train_data(odds_type='williamhill')
 
diff --git a/tests/evaluation/test_base.py b/tests/evaluation/test_base.py
index c95145c..d4631ac 100644
--- a/tests/evaluation/test_base.py
+++ b/tests/evaluation/test_base.py
@@ -6,8 +6,8 @@
 import pandas as pd
 import pytest
 from sklearn.exceptions import NotFittedError
-from sportsbet.evaluation._base import _BaseBettor
 
+from sportsbet.evaluation._base import _BaseBettor
 from tests.evaluation import O_train, TestBettor, X_train, Y_train
 
 
diff --git a/tests/evaluation/test_classifier.py b/tests/evaluation/test_classifier.py
index 213950a..00e5c46 100644
--- a/tests/evaluation/test_classifier.py
+++ b/tests/evaluation/test_classifier.py
@@ -5,6 +5,7 @@
 from sklearn.dummy import DummyClassifier, DummyRegressor
 from sklearn.exceptions import NotFittedError
 from sklearn.utils.validation import check_is_fitted
+
 from sportsbet.datasets import DummySoccerDataLoader
 from sportsbet.evaluation import ClassifierBettor
 
diff --git a/tests/evaluation/test_model_selection.py b/tests/evaluation/test_model_selection.py
index 84bddb7..1ef06e8 100644
--- a/tests/evaluation/test_model_selection.py
+++ b/tests/evaluation/test_model_selection.py
@@ -8,8 +8,8 @@
 import pytest
 from sklearn.dummy import DummyClassifier
 from sklearn.model_selection import KFold, TimeSeriesSplit
-from sportsbet.evaluation import BettorGridSearchCV, ClassifierBettor, OddsComparisonBettor, backtest
 
+from sportsbet.evaluation import BettorGridSearchCV, ClassifierBettor, OddsComparisonBettor, backtest
 from tests.evaluation import O_train, TestBettor, X_train, Y_train
 
 
diff --git a/tests/evaluation/test_rules.py b/tests/evaluation/test_rules.py
index 0569f1f..aa329b3 100644
--- a/tests/evaluation/test_rules.py
+++ b/tests/evaluation/test_rules.py
@@ -2,6 +2,7 @@
 
 import numpy as np
 import pytest
+
 from sportsbet.datasets import DummySoccerDataLoader
 from sportsbet.evaluation import OddsComparisonBettor