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Python: Traceback (most recent call last):
File "C:\Users\Gloria\AppData\Roaming\Blender Foundation\Blender\3.5\scripts\addons\Sculpt_Alphas_Manager.py", line 124, in execute
os.startfile(os.path.join(lib_path, selected_category_name))
FileNotFoundError: [WinError 2] The system cannot find the file specified: 'C:\Users\Gloria\3D Objects\cool stuff\uncategoriez\GLORIA ALPHA COLLECTION\Sculpt_Alphas_Manager.py\'

Hi,
I tried to use it on Mac (OS 10.14.6) and it was not working.
See my comment for more detail: https://blenderartists.org/t/sculpt-alphas-manager/1200725/17?u=sebastian1066

I investigated the error and I found 2 problems:

1. The line os.startfile(os.path.join(lib_path, selected_category_name)) seems to work only for Windows. For *Nix you'd need to use something like this:

            opener = "open" if sys.platform == "darwin" else "xdg-open"
            subprocess.call([opener, os.path.join(lib_path, selected_category_name)])

I replaced line 124 for the code below and I got rid of this problem

        if sys.platform == "win32":
            os.startfile(os.path.join(lib_path, selected_category_name))
        else:
            opener = "open" if sys.platform == "darwin" else "xdg-open"
            subprocess.call([opener, os.path.join(lib_path, selected_category_name)])

2. After fixing the first problem, the categories and brushes didn't show. This was caused by line 70:
   if os.path.isdir(lib_path + folder):
   I replaced it for the code below and then I was able to see the categories and brushes:
   if os.path.isdir(os.path.join(lib_path, folder)):
   I'm not able to test the above code in a Win environment but if you'd like to make it work for the different OS's it would seem you'll have to do something like I did.