diff --git a/shop/admin.py b/shop/admin.py
index 2be8cb5..c7c60aa 100644
--- a/shop/admin.py
+++ b/shop/admin.py
@@ -8,7 +8,8 @@ from shop.models import (
     Customer,
     Provider,
     Tag,
-    ProductBatch, Brand,
+    ProductBatch,
+    Brand,
 )
 from unfold.admin import ModelAdmin
 
diff --git a/shop/api/v1/viewsets.py b/shop/api/v1/viewsets.py
index fd492dc..e4b028d 100644
--- a/shop/api/v1/viewsets.py
+++ b/shop/api/v1/viewsets.py
@@ -117,7 +117,7 @@ class TaxViewSet(ModelViewSet):
     serializer_class = TaxSerializer
     queryset = Tax.objects.all()
     permission_classes = (IsAdminUser,)
-    search_fields = ('code', )
+    search_fields = ("code",)
 
 
 class OrderViewSet(ModelViewSet):
diff --git a/shop/migrations/0009_brand_creation_date_brand_last_modification_date_and_more.py b/shop/migrations/0009_brand_creation_date_brand_last_modification_date_and_more.py
index d6a352e..002a645 100644
--- a/shop/migrations/0009_brand_creation_date_brand_last_modification_date_and_more.py
+++ b/shop/migrations/0009_brand_creation_date_brand_last_modification_date_and_more.py
@@ -66,7 +66,9 @@ class Migration(migrations.Migration):
             model_name="product",
             name="creation_date",
             field=models.DateTimeField(
-                auto_now_add=True, default=django.utils.timezone.now, verbose_name="Fecha de creación"
+                auto_now_add=True,
+                default=django.utils.timezone.now,
+                verbose_name="Fecha de creación",
             ),
             preserve_default=False,
         ),
diff --git a/shop/models.py b/shop/models.py
index bf065ac..9fb07cb 100644
--- a/shop/models.py
+++ b/shop/models.py
@@ -91,7 +91,7 @@ class ProductPrice(TimestampedModel):
         on_delete=models.PROTECT,
         verbose_name=_("Impuesto aplicable"),
     )
-    current = models.BooleanField(default=False, verbose_name=_('Es el precio actual'))
+    current = models.BooleanField(default=False, verbose_name=_("Es el precio actual"))
 
     def __str__(self):
         return f"{self.price} - {self.tax.code}"