diff --git a/care/emr/api/viewsets/device.py b/care/emr/api/viewsets/device.py
index d6bc982902..c1526b92f4 100644
--- a/care/emr/api/viewsets/device.py
+++ b/care/emr/api/viewsets/device.py
@@ -48,7 +48,10 @@
 class DeviceFilters(filters.FilterSet):
     current_encounter = filters.UUIDFilter(field_name="current_encounter__external_id")
     current_location = filters.UUIDFilter(field_name="current_location__external_id")
-    registered_name = filters.CharFilter(field_name="registered_name", lookup_expr="icontains")
+    registered_name = filters.CharFilter(
+        field_name="registered_name", lookup_expr="icontains"
+    )
+
 
 class DeviceViewSet(EMRModelViewSet):
     database_model = Device