Fix Code Formatting

src/documents/file_handling.py

@@ -8,9 +8,9 @@ from django.conf import settings
 from django.template.defaultfilters import slugify
 from django.utils import timezone
 
-from documents.models import Document
 from documents.models import CustomField
 from documents.models import CustomFieldInstance
+from documents.models import Document
 
 logger = logging.getLogger("paperless.filehandling")
 
@@ -197,7 +197,10 @@ def generate_filename(
             local_added = timezone.localdate(doc.added)
             local_created = timezone.localdate(doc.created)
             placeholders = {
-                "title":pathvalidate.sanitize_filename(doc.title, replacement_text="-"),
+                "title": pathvalidate.sanitize_filename(
+                    doc.title,
+                    replacement_text="-",
+                ),
                 "correspondent": correspondent,
                 "document_type": document_type,
                 "created": local_created.isoformat(),
@@ -223,10 +226,12 @@ def generate_filename(
             }
 
             for field in CustomField.objects.all():
-                placeholders['customfield' + f'{field.pk}'] = '-none-'
+                placeholders["customfield" + f"{field.pk}"] = no_value_default
 
             for field_instance in CustomFieldInstance.objects.filter(document=doc):
-                placeholders['customfield' + f'{field_instance.field.id}'] = field_instance.value
+                placeholders["customfield" + f"{field_instance.field.id}"] = (
+                    field_instance.value,
+                )
 
             path = filename_format.format(**placeholders).strip()
             if settings.FILENAME_FORMAT_REMOVE_NONE:

src/documents/serialisers.py

@@ -1169,11 +1169,11 @@ class StoragePathSerializer(MatchingModelSerializer, OwnedObjectSerializer):
                 "tag_list": "tag_list",
                 "owner_username": "someone",
                 "original_name": "testfile",
-                "doc_pk":"doc_pk"
+                "doc_pk": "doc_pk",
             }
 
             for field in CustomField.objects.all():
-                placeholders['customfield' + f'{field.pk}'] = '-none-'
+                placeholders["customfield" + f"{field.pk}"] = "-none-"
 
             path.format(**placeholders)
         except KeyError as err:

src/documents/signals/handlers.py

@@ -383,6 +383,7 @@ def update_custom_field_instance(sender, instance: CustomFieldInstance, **kwargs
     doc = Document.objects.get(pk=instance.document.pk)
     update_filename_and_move_files(sender, doc)
 
+
 @receiver(models.signals.m2m_changed, sender=Document.tags.through)
 @receiver(models.signals.post_save, sender=Document)
 def update_filename_and_move_files(sender, instance: Document, **kwargs):