diff --git a/umap/migrations/0018_datalayer_uuid.py b/umap/migrations/0018_datalayer_uuid.py
index 6153b1e9..e0a655c9 100644
--- a/umap/migrations/0018_datalayer_uuid.py
+++ b/umap/migrations/0018_datalayer_uuid.py
@@ -12,7 +12,6 @@ def gen_uuid(apps, schema_editor):
         row.save(update_fields=["uuid"])
 
 
-
 class Migration(migrations.Migration):
     dependencies = [
         ("umap", "0017_migrate_to_openstreetmap_oauth2"),
@@ -25,13 +24,19 @@ class Migration(migrations.Migration):
             field=models.UUIDField(default=uuid.uuid4, editable=False, null=True),
         ),
         migrations.RunPython(gen_uuid, reverse_code=migrations.RunPython.noop),
-        migrations.RunSQL("ALTER TABLE umap_datalayer DROP CONSTRAINT umap_datalayer_pkey"),
+        migrations.RunSQL(
+            "ALTER TABLE umap_datalayer DROP CONSTRAINT umap_datalayer_pkey"
+        ),
         # migrations.RemoveConstraint("datalayer", "id"),
-        migrations.AlterField("datalayer", name="id", field=models.IntegerField(null=True, blank=True)),
+        migrations.AlterField(
+            "datalayer", name="id", field=models.IntegerField(null=True, blank=True)
+        ),
         migrations.AlterField(
             model_name="datalayer",
             name="uuid",
-            field=models.UUIDField(default=uuid.uuid4, editable=False, unique=True, primary_key=True),
+            field=models.UUIDField(
+                default=uuid.uuid4, editable=False, unique=True, primary_key=True
+            ),
         ),
         # migrations.RemoveConstraint("datalayer", "")
     ]
diff --git a/umap/models.py b/umap/models.py
index 0a2fce84..8257c8cb 100644
--- a/umap/models.py
+++ b/umap/models.py
@@ -374,7 +374,9 @@ class DataLayer(NamedModel):
         (EDITORS, _("Editors only")),
         (OWNER, _("Owner only")),
     )
-    uuid = models.UUIDField(unique=True, primary_key=True, default=uuid.uuid4, editable=False)
+    uuid = models.UUIDField(
+        unique=True, primary_key=True, default=uuid.uuid4, editable=False
+    )
     id = models.IntegerField(null=True, blank=True)
     map = models.ForeignKey(Map, on_delete=models.CASCADE)
     description = models.TextField(blank=True, null=True, verbose_name=_("description"))
diff --git a/umap/urls.py b/umap/urls.py
index 6467e733..28564b55 100644
--- a/umap/urls.py
+++ b/umap/urls.py
@@ -165,7 +165,8 @@ if settings.DEFAULT_FROM_EMAIL:
         )
     )
 datalayer_urls = [
-    path("map/<int:map_id>/datalayer/update/<uuid:pk>/",
+    path(
+        "map/<int:map_id>/datalayer/update/<uuid:pk>/",
         views.DataLayerUpdate.as_view(),
         name="datalayer_update",
     ),
diff --git a/umap/views.py b/umap/views.py
index 3fd8c76d..b43605c6 100644
--- a/umap/views.py
+++ b/umap/views.py
@@ -441,7 +441,9 @@ ajax_proxy = AjaxProxy.as_view()
 
 
 def simple_json_response(**kwargs):
-    return HttpResponse(json.dumps(kwargs, cls=DjangoJSONEncoder), content_type="application/json")
+    return HttpResponse(
+        json.dumps(kwargs, cls=DjangoJSONEncoder), content_type="application/json"
+    )
 
 
 # ############## #
@@ -537,7 +539,9 @@ class MapDetailMixin:
             geojson["properties"] = {}
         geojson["properties"].update(properties)
         geojson["properties"]["datalayers"] = self.get_datalayers()
-        context["map_settings"] = json.dumps(geojson, indent=settings.DEBUG, cls=DjangoJSONEncoder)
+        context["map_settings"] = json.dumps(
+            geojson, indent=settings.DEBUG, cls=DjangoJSONEncoder
+        )
         self.set_preconnect(geojson["properties"], context)
         return context