Reformat code after manual edits to maintain CI compliance

- Apply Black formatting to admin.py, forms.py, and views.py after manual edits
- Fix import statement ordering with isort
- Ensure all manually edited files meet automated code quality standards
- Maintain CI/CD pipeline compliance for continued automated deployment

app/stiftung/admin.py

@@ -5,11 +5,24 @@ from django.utils.html import format_html
 from django.utils.safestring import mark_safe
 
 from . import models
-from .models import (AppConfiguration, AuditLog, BackupJob, BankTransaction,
-                     CSVImport, Destinataer, DestinataerUnterstuetzung,
-                     DokumentLink, Foerderung, Land, Paechter, Person,
-                     Rentmeister, StiftungsKonto, UnterstuetzungWiederkehrend,
-                     Verwaltungskosten)
+from .models import (
+    AppConfiguration,
+    AuditLog,
+    BackupJob,
+    BankTransaction,
+    CSVImport,
+    Destinataer,
+    DestinataerUnterstuetzung,
+    DokumentLink,
+    Foerderung,
+    Land,
+    Paechter,
+    Person,
+    Rentmeister,
+    StiftungsKonto,
+    UnterstuetzungWiederkehrend,
+    Verwaltungskosten,
+)
 
 
 @admin.register(CSVImport)