OSROKBOT: lyceum feature does not work - AttributeError

[LoRdHamit]

Hello administrator, I have a problem. Even though I did everything right, I get this error. How can I solve this? All other functions work but lyceum feature does not work
File "c:\Users\gggdf\AppData\Local\Programs\Python\Python312\Lib\site-packages\sklearn\feature_extraction\text.py", line 110, in _analyze doc = preprocessor(None) ^^^^^^^^^^^^^^^^^^ File "c:\Users\gggdf\AppData\Local\Programs\Python\Python312\Lib\site-packages\sklearn\feature_extraction\text.py", line 68, in _preprocess doc = doc.lower(None) ^^^^^^^^^ AttributeError: 'NoneType' object has no attribute 'lower'

[LoRdHamit]

please help