System Information
Operating system: win 10
Graphics card:

Blender Version
2.93.6
add-on: Import BrushSet
when i try to add a picture like Brushes: ( error: \\ )

Python: Traceback (most recent call last):

File "C:\Program Files\Blender Foundation\Blender 2.93\2.93\scripts\addons\io_import_BrushSet.py", line 121, in execute
  LoadBrushSet(self.properties.filepath, self.properties.filename)
File "C:\Program Files\Blender Foundation\Blender 2.93\2.93\scripts\addons\io_import_BrushSet.py", line 70, in LoadBrushSet
  for file in os.listdir(filepath):

NotADirectoryError: [WinError 267] Název adresáře je neplatný: 'C:\\Users\\plazma\\Desktop\\BLENDER\\Brushes\\18.png'

location: <unknown location>:-1