runtime error

[nltk_data] Downloading package punkt to /home/user/nltk_data... [nltk_data] Unzipping tokenizers/punkt.zip. [nltk_data] Downloading package averaged_perceptron_tagger to [nltk_data] /home/user/nltk_data... [nltk_data] Unzipping taggers/averaged_perceptron_tagger.zip. Traceback (most recent call last): File "app.py", line 13, in <module> index = VectorstoreIndexCreator(vectorstore_cls=Chroma, vectorstore_kwargs={ "persist_directory": "VectorStoreIndex/"}).from_loaders(loaders) File "/home/user/.local/lib/python3.8/site-packages/langchain/indexes/vectorstore.py", line 72, in from_loaders docs.extend(loader.load()) File "/home/user/.local/lib/python3.8/site-packages/langchain/document_loaders/unstructured.py", line 70, in load elements = self._get_elements() File "/home/user/.local/lib/python3.8/site-packages/langchain/document_loaders/pdf.py", line 37, in _get_elements return partition_pdf(filename=self.file_path, **self.unstructured_kwargs) File "/home/user/.local/lib/python3.8/site-packages/unstructured/partition/pdf.py", line 75, in partition_pdf return partition_pdf_or_image( File "/home/user/.local/lib/python3.8/site-packages/unstructured/partition/pdf.py", line 114, in partition_pdf_or_image strategy = determine_pdf_or_image_strategy( File "/home/user/.local/lib/python3.8/site-packages/unstructured/partition/strategies.py", line 81, in determine_pdf_or_image_strategy pdf_text_extractable = is_pdf_text_extractable(filename=filename, file=file) File "/home/user/.local/lib/python3.8/site-packages/unstructured/partition/strategies.py", line 56, in is_pdf_text_extractable with open_filename(filename, "rb") as fp: File "/home/user/.local/lib/python3.8/site-packages/pdfminer/utils.py", line 47, in __init__ raise TypeError('Unsupported input type: %s' % type(filename)) TypeError: Unsupported input type: <class 'list'>

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