tried latest version got this:
bpy.data.window_managers["WinMan"].addon_search = "3d"
Traceback (most recent call last):
File "C:\Program Files\Blender Foundation\Blender 2.90\2.90\scripts\modules\addon_utils.py", line 352, in enable
mod.__time__ = os.path.getmtime(mod.__file__)
File "C:\Program Files\Blender Foundation\Blender 2.90\2.90\python\lib\genericpath.py", line 55, in getmtime
return os.stat(filename).st_mtime
FileNotFoundError: [WinError 3] The system cannot find the path specified: 'C:\\Program Files\\Blender Foundation\\Blender 2.90\\2.90\\scripts\\addons\\io_coat3D\\__init__.py'
bpy.context.area.ui_type = 'INFO'