diff --git a/django_ltree/__init__.py b/django_ltree/__init__.py
index 2a28f90..e3b0191 100644
--- a/django_ltree/__init__.py
+++ b/django_ltree/__init__.py
@@ -1 +1 @@
-default_app_config = 'django_ltree.apps.DjangoLtreeConfig'
+default_app_config = "django_ltree.apps.DjangoLtreeConfig"
diff --git a/django_ltree/paths.py b/django_ltree/paths.py
index 0372b4f..d53e6c4 100644
--- a/django_ltree/paths.py
+++ b/django_ltree/paths.py
@@ -28,7 +28,6 @@ def __next__(self):
             if path not in self.skip_paths:
                 return path
 
-
     @staticmethod
     def guess_the_label_size(path_size: int, combination_size: int) -> int:
         # The theoritical limit for this at the time of writing is 2_538_557_185_841_324_496 (python 3.12.2)
@@ -53,5 +52,3 @@ def guess_the_label_size(path_size: int, combination_size: int) -> int:
             label_size += 1
 
         return label_size
-
-
diff --git a/tests/conftest.py b/tests/conftest.py
index af05ff6..2d9a97b 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -13,7 +13,7 @@ def pytest_sessionstart(session):
                 "NAME": "ltree_test",
                 "HOST": os.environ.get("DJANGO_DATABASE_HOST", "database"),
                 "USER": os.environ.get("DJANGO_DATABASE_USER", "postgres"),
-                "PASSWORD": os.environ.get("DJANGO_DATABASE_PASSWORD", "")
+                "PASSWORD": os.environ.get("DJANGO_DATABASE_PASSWORD", ""),
             }
         },
         ROOT_URLCONF="tests.urls",
diff --git a/tests/taxonomy/apps.py b/tests/taxonomy/apps.py
index cdbd4f0..ecb836e 100644
--- a/tests/taxonomy/apps.py
+++ b/tests/taxonomy/apps.py
@@ -2,4 +2,4 @@
 
 
 class TaxonomyConfig(AppConfig):
-    name = 'taxonomy'
+    name = "taxonomy"
diff --git a/tests/taxonomy/migrations/0001_initial.py b/tests/taxonomy/migrations/0001_initial.py
index 165cc6c..2267f9c 100644
--- a/tests/taxonomy/migrations/0001_initial.py
+++ b/tests/taxonomy/migrations/0001_initial.py
@@ -7,23 +7,29 @@
 
 
 class Migration(migrations.Migration):
-
     initial = True
 
-    dependencies = [
-    ]
+    dependencies = []
 
     operations = [
         migrations.CreateModel(
-            name='Taxonomy',
+            name="Taxonomy",
             fields=[
-                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('path', django_ltree.fields.PathField(unique=True)),
-                ('name', models.TextField()),
+                (
+                    "id",
+                    models.AutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("path", django_ltree.fields.PathField(unique=True)),
+                ("name", models.TextField()),
             ],
             options={
-                'ordering': ('path',),
-                'abstract': False,
+                "ordering": ("path",),
+                "abstract": False,
             },
         ),
     ]
diff --git a/tests/test_path_value.py b/tests/test_path_value.py
index acc4543..ca0a5ee 100644
--- a/tests/test_path_value.py
+++ b/tests/test_path_value.py
@@ -1,5 +1,3 @@
-import pytest
-
 from django_ltree.fields import PathValue