runtime error

Exit code: 1. Reason: Traceback (most recent call last): File "/app/app.py", line 31, in <module> X_vec = vectorizer.fit_transform(X) File "/usr/local/lib/python3.13/site-packages/sklearn/feature_extraction/text.py", line 2104, in fit_transform X = super().fit_transform(raw_documents) File "/usr/local/lib/python3.13/site-packages/sklearn/base.py", line 1336, in wrapper return fit_method(estimator, *args, **kwargs) File "/usr/local/lib/python3.13/site-packages/sklearn/feature_extraction/text.py", line 1386, in fit_transform vocabulary, X = self._count_vocab(raw_documents, self.fixed_vocabulary_) ~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/usr/local/lib/python3.13/site-packages/sklearn/feature_extraction/text.py", line 1273, in _count_vocab for feature in analyze(doc): ~~~~~~~^^^^^ File "/usr/local/lib/python3.13/site-packages/sklearn/feature_extraction/text.py", line 108, in _analyze doc = decoder(doc) File "/usr/local/lib/python3.13/site-packages/sklearn/feature_extraction/text.py", line 241, in decode raise ValueError( "np.nan is an invalid document, expected byte or unicode string." ) ValueError: np.nan is an invalid document, expected byte or unicode string.

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