try-except clause for removing properties

src/__init__.py

@@ -106,14 +106,17 @@ def declare_addon_properties():
 
 def remove_addon_properties():
     """Remove the custom add-on properties."""
-    del bpy.types.Scene.import_root_path
-    del bpy.types.Scene.export_path
-    del bpy.types.Scene.import_files
-    del bpy.types.Scene.collection_map
-    del bpy.types.Scene.n_component_combinations
-    del bpy.types.Object.src_file
-    del bpy.types.Scene.use_only_matching_sets
-    del bpy.types.Scene.use_import_texture_variants
+    try:
+        del bpy.types.Scene.import_root_path
+        del bpy.types.Scene.export_path
+        del bpy.types.Scene.import_files
+        del bpy.types.Scene.collection_map
+        del bpy.types.Scene.n_component_combinations
+        del bpy.types.Object.src_file
+        del bpy.types.Scene.use_only_matching_sets
+        del bpy.types.Scene.use_import_texture_variants
+    except AttributeError:
+        pass
 
 
 auto_load.init()

src/scenemanager/manager.py

@@ -35,8 +35,6 @@
 from .. import file_ops as fops
 
 
-# ToDo: Split manager into smaller files by function domain (e.g. collection/properties related, operators).
-
 # Create new helper-class to transport messages from functions to operators for displaying them in the GUI.
 Feedback = namedtuple("Feedback", ["type", "msg"])