System Information
Operating system and graphics card
OS: Windows 8.1
GPU: GTX 970
Blender Version
Broken: 2.72a 73f5a41
Worked: 2.71
Short description of error
Drop to Ground add-on can not be added in Blender 2.72a
Exact steps for others to reproduce the error
Install object_drop_to_ground.py into the add-on folder
Go to user preferences -> Add ons
Select Object: Drop to Ground and check it
Returned error: AttributeError: 'RNA_Types' object has no attribute 'VIEW3D_PT_tools_objectmode'