diff --git a/content_api/items/model.py b/content_api/items/model.py
index f01373296..532ad6e97 100644
--- a/content_api/items/model.py
+++ b/content_api/items/model.py
@@ -143,15 +143,9 @@ class ContentAPIItem(ResourceModel, ModelWithVersions):
     uri: Annotated[fields.Keyword | None, validators.validate_iunique_value_async("items", "uri")] = None
     usageterms: str | None = None
     version: str | None = None
-    versioncreated: datetime = Field(
-        default_factory=datetime.now
-    )
-    firstcreated: datetime = Field(
-        default_factory=datetime.now
-    )
-    firstpublished: datetime = Field(
-        default_factory=datetime.now
-    )
+    versioncreated: datetime = Field(default_factory=datetime.now)
+    firstcreated: datetime = Field(default_factory=datetime.now)
+    firstpublished: datetime = Field(default_factory=datetime.now)
     embargoed: datetime | None = None
     evolvedfrom: fields.Keyword | None = None
     nextversion: fields.Keyword | None = None
@@ -178,9 +172,7 @@ class ContentAPIItem(ResourceModel, ModelWithVersions):
     agenda_id: fields.Keyword | None = None
     agenda_href: fields.Keyword | None = None
 
-    refs: list[ContentReference] = Field(
-        default_factory=list
-    )
+    refs: list[ContentReference] = Field(default_factory=list)
     expiry: datetime = Field(default_factory=datetime.now)
 
     @field_validator("version", mode="before")
diff --git a/tests/core/resource_model_test.py b/tests/core/resource_model_test.py
index c60cc753d..bf8f4c0c5 100644
--- a/tests/core/resource_model_test.py
+++ b/tests/core/resource_model_test.py
@@ -82,19 +82,23 @@ def test_elastic_mapping(self):
                     "_updated": {"type": "date"},
                     "_etag": {"type": "text"},
                     "first_name": {
-                        "type": "text", "fields": {"keyword": {"type": "keyword"}},
+                        "type": "text",
+                        "fields": {"keyword": {"type": "keyword"}},
                         "analyzer": "html_field_analyzer",
                     },
                     "last_name": {
-                        "type": "text", "fields": {"keyword": {"type": "keyword"}},
+                        "type": "text",
+                        "fields": {"keyword": {"type": "keyword"}},
                         "analyzer": "html_field_analyzer",
                     },
                     "email": {
-                        "type": "text", "fields": {"keyword": {"type": "keyword"}},
+                        "type": "text",
+                        "fields": {"keyword": {"type": "keyword"}},
                         "analyzer": "html_field_analyzer",
                     },
                     "name": {
-                        "type": "text", "fields": {"keyword": {"type": "keyword"}},
+                        "type": "text",
+                        "fields": {"keyword": {"type": "keyword"}},
                         "analyzer": "html_field_analyzer",
                     },
                     "username": {"type": "text"},