[BUG] Parser doesn't seem to work

[0xjbb]

I'm getting a bunch of errors by using this project, anybody have any ideas on why this is?

Python 3.12

(.venv) PS C:\Users\admin\PycharmProjects\project1> python .\main.py -f C:\Temp\Example.yar -d . --testing                
ERROR: No token list is defined
ERROR: No rules of the form t_rulename are defined
ERROR: No rules defined for state 'INITIAL'
Traceback (most recent call last):
  File "C:\Users\admin\PycharmProjects\project1\main.py", line 36, in <module>
    main()
  File "C:\Users\admin\PycharmProjects\project1\main.py", line 28, in main
    yara = plyara.Parser()
           ^^^^^^^^^^^^^^^
  File "C:\Users\admin\PycharmProjects\project1\.venv\Lib\site-packages\plyara\core.py", line 129, in __init__
    self.lexer = lex.lex(module=self, debug=False)
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\admin\PycharmProjects\project1\.venv\Lib\site-packages\ply\lex.py", line 909, in lex
    raise SyntaxError("Can't build lexer")
SyntaxError: Can't build lexer