diff --git a/babybuddy/management/commands/fake.py b/babybuddy/management/commands/fake.py
index 516eadd4..5abeb117 100644
--- a/babybuddy/management/commands/fake.py
+++ b/babybuddy/management/commands/fake.py
@@ -132,7 +132,6 @@ class Command(BaseCommand):
                 self._add_bmi_entry()
                 last_bmi_entry_time = self.time
 
-
     @transaction.atomic
     def _add_breastpump_entry(self):
         """
@@ -149,7 +148,6 @@ class Command(BaseCommand):
             child=self.child, amount=self.amount, time=self.time, notes=notes
         ).save()
 
-
     @transaction.atomic
     def _add_diaperchange_entry(self):
         """
diff --git a/core/admin.py b/core/admin.py
index ad7853d4..7e6bc963 100644
--- a/core/admin.py
+++ b/core/admin.py
@@ -77,7 +77,7 @@ class BreastpumpAdmin(ImportExportMixin, ExportActionMixin, admin.ModelAdmin):
         "amount",
     )
     resource_class = BreastpumpImportExportResource
-    
+
 
 class DiaperChangeImportExportResource(ImportExportResourceBase):
     class Meta:
diff --git a/core/migrations/0019_breastpump.py b/core/migrations/0019_breastpump.py
index e9e99055..74ac5132 100644
--- a/core/migrations/0019_breastpump.py
+++ b/core/migrations/0019_breastpump.py
@@ -3,10 +3,11 @@
 from django.db import migrations, models
 import django.db.models.deletion
 
+
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('core', '0018_bmi_headcircumference_height'),
+        ("core", "0018_bmi_headcircumference_height"),
     ]
 
     operations = [
diff --git a/core/models.py b/core/models.py
index 9d0caa93..55bb650a 100644
--- a/core/models.py
+++ b/core/models.py
@@ -181,9 +181,7 @@ class Breastpump(models.Model):
         related_name="breastpump",
         verbose_name=_("Child"),
     )
-    amount = models.FloatField(
-        blank=False, null=False, verbose_name=_("Amount")
-    )
+    amount = models.FloatField(blank=False, null=False, verbose_name=_("Amount"))
     time = models.DateTimeField(blank=False, null=False, verbose_name=_("Time"))
     notes = models.TextField(blank=True, null=True, verbose_name=_("Notes"))