diff --git a/bird/apps.py b/bird/apps.py
index 27c9f1a..9045b6e 100644
--- a/bird/apps.py
+++ b/bird/apps.py
@@ -2,5 +2,5 @@ from django.apps import AppConfig
 
 
 class BirdConfig(AppConfig):
-    default_auto_field = 'django.db.models.BigAutoField'
-    name = 'bird'
+    default_auto_field = "django.db.models.BigAutoField"
+    name = "bird"
diff --git a/bird/forms.py b/bird/forms.py
index 8faa1eb..3db8b66 100644
--- a/bird/forms.py
+++ b/bird/forms.py
@@ -10,12 +10,18 @@ class DateInput(forms.DateInput):
 
 class BirdAddForm(forms.ModelForm):
     class Meta:
-        widgets = {
-            "date_found": DateInput()}
+        widgets = {"date_found": DateInput()}
         model = FallenBird
-        fields = ["bird", "date_found", "place", ]
-        labels = {"bird": _("Vogel"), "date_found": _(
-            "Datum des Fundes"), "place": _("Fundort")}
+        fields = [
+            "bird",
+            "date_found",
+            "place",
+        ]
+        labels = {
+            "bird": _("Vogel"),
+            "date_found": _("Datum des Fundes"),
+            "place": _("Fundort"),
+        }
 
 
 class BirdEditForm(forms.ModelForm):
diff --git a/bird/models.py b/bird/models.py
index 4723f41..84a0ed3 100644
--- a/bird/models.py
+++ b/bird/models.py
@@ -14,9 +14,7 @@ class FallenBird(models.Model):
     created = models.DateTimeField(auto_now_add=True)
     updated = models.DateTimeField(auto_now=True)
     rescuer = models.ForeignKey(Rescuer, on_delete=models.CASCADE)
-    user = models.ForeignKey(
-        settings.AUTH_USER_MODEL,
-        on_delete=models.CASCADE)
+    user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
 
     def __str__(self):
         return self.place
diff --git a/bird/views.py b/bird/views.py
index 2881051..dc5126b 100644
--- a/bird/views.py
+++ b/bird/views.py
@@ -16,7 +16,7 @@ def bird_create(request):
     # just show only related rescuers in select field of the form
     if request.method == "POST":
         form = BirdAddForm(request.POST or None, request.FILES or None)
-        rescuer_id = request.session.get('rescuer_id')
+        rescuer_id = request.session.get("rescuer_id")
         rescuer = Rescuer.objects.get(id=rescuer_id, user=request.user)
 
         if form.is_valid():
@@ -54,10 +54,7 @@ def bird_recover_all(request):
 @login_required(login_url="account_login")
 def bird_single(request, id):
     bird = FallenBird.objects.get(id=id)
-    form = BirdEditForm(
-        request.POST or None,
-        request.FILES or None,
-        instance=bird)
+    form = BirdEditForm(request.POST or None, request.FILES or None, instance=bird)
     if request.method == "POST":
         if form.is_valid():
             form.save()
diff --git a/rescuer/forms.py b/rescuer/forms.py
index 2f5c3a8..a8162df 100644
--- a/rescuer/forms.py
+++ b/rescuer/forms.py
@@ -5,12 +5,12 @@ from .models import Rescuer
 
 
 class DateInput(forms.DateInput):
-    input_type = 'date'
+    input_type = "date"
 
 
 class RescuerForm(forms.ModelForm):
     class Meta:
-        widgets = {'date_of_birth': DateInput()}
+        widgets = {"date_of_birth": DateInput()}
         model = Rescuer
         fields = [
             "gender",
@@ -22,16 +22,17 @@ class RescuerForm(forms.ModelForm):
             "city",
             "state",
             "date_of_birth",
-            "email"]
+            "email",
+        ]
         labels = {
-            'gender': _('Geschlecht'),
-            'first_name': _('Vorname'),
-            'last_name': _('Nachname'),
-            'date_of_birth': _('Geburtstag'),
-            'street': _('Straße'),
-            'street_number': _('Hausnummer'),
-            'zip_code': _('Postleitzahl'),
-            'city': _('Stadt'),
-            'state': _('Land'),
-            'email': _('Email'),
+            "gender": _("Geschlecht"),
+            "first_name": _("Vorname"),
+            "last_name": _("Nachname"),
+            "date_of_birth": _("Geburtstag"),
+            "street": _("Straße"),
+            "street_number": _("Hausnummer"),
+            "zip_code": _("Postleitzahl"),
+            "city": _("Stadt"),
+            "state": _("Land"),
+            "email": _("Email"),
         }