diff --git a/src/blenderbim/blenderbim/bim/module/search/operator.py b/src/blenderbim/blenderbim/bim/module/search/operator.py
index 2a3f710471..cc2847f0f7 100644
--- a/src/blenderbim/blenderbim/bim/module/search/operator.py
+++ b/src/blenderbim/blenderbim/bim/module/search/operator.py
@@ -538,9 +538,11 @@ class ActivateIfcClassFilter(Operator):
             "filter_classes",
             context.scene.BIMSearchProperties,
             "filter_classes_index",
-            rows=20
-            if len(bpy.context.scene.BIMSearchProperties.filter_classes) > 20
-            else len(bpy.context.scene.BIMSearchProperties.filter_classes),
+            rows=(
+                20
+                if len(bpy.context.scene.BIMSearchProperties.filter_classes) > 20
+                else len(bpy.context.scene.BIMSearchProperties.filter_classes)
+            ),
         )
         row = self.layout.row(align=True)
         row.operator("bim.toggle_filter_selection", text="Select All").action = "SELECT"
@@ -595,9 +597,11 @@ class ActivateContainerFilter(Operator):
             "filter_container",
             context.scene.BIMSearchProperties,
             "filter_container_index",
-            rows=20
-            if len(bpy.context.scene.BIMSearchProperties.filter_container) > 20
-            else len(bpy.context.scene.BIMSearchProperties.filter_container),
+            rows=(
+                20
+                if len(bpy.context.scene.BIMSearchProperties.filter_container) > 20
+                else len(bpy.context.scene.BIMSearchProperties.filter_container)
+            ),
         )
         row = self.layout.row(align=True)
         row.operator("bim.toggle_filter_selection", text="Select All").action = "SELECT"