Python 3.9 unsuported operant type(s) for |: 'EnumMeta' and 'EnumMeta'

inside pytablericons/tabler_icons.py
Missing import 
```
from __future__ import annotations
```

Because i get:
```
  File "...\.venv\lib\site-packages\pytablericons\tabler_icons.py", line 16, in TablerIcons
    def load(icon: OutlineIcon | FilledIcon, size: int = 24,
TypeError: unsupported operand type(s) for |: 'EnumMeta' and 'EnumMeta'

Process finished with exit code 1
```