typing

src/bonsai/bonsai/bim/module/bcf/operator.py

@@ -1401,6 +1401,7 @@ class ActivateBcfViewpoint(bpy.types.Operator):
             self.hide_spaces(context)
 
     def hide_spaces(self, context: bpy.types.Context) -> None:
+        assert context.area
         old = context.area.type
         context.area.type = "VIEW_3D"
         bpy.ops.object.select_all(action="DESELECT")

src/bonsai/bonsai/tool/model.py

@@ -1060,6 +1060,7 @@ class Model(bonsai.core.tool.Model):
         if not refresh and element.id() in AuthoringData.type_thumbnails:
             return  # Already processed
 
+        assert isinstance(obj, bpy.types.Object)
         obj.asset_generate_preview()
         while not obj.preview:
             pass