UnstructuredWordDocumentLoader to load .doc file error

[LiuChao888]

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Example Code

from langchain_community.document_loaders import UnstructuredWordDocumentLoader, UnstructuredFileLoader
loader = UnstructuredWordDocumentLoader("a.doc")  
loader.load()

Description

such as my code

when I run this code ，it will return a error ：
please help me to resolve it . you can give me some correct codes. thank you !

Traceback (most recent call last):
File "/home/jh/liuchao_project/agents_langchan_ollama/langchian_RAG_FAISS.py", line 214, in
main()
File "/home/jh/liuchao_project/agents_langchan_ollama/langchian_RAG_FAISS.py", line 171, in main
faiss_rag.create_vectorstore(file_path_or_dir=DOCS_DIR)
File "/home/jh/liuchao_project/agents_langchan_ollama/langchian_RAG_FAISS.py", line 79, in create_vectorstore
docs, dir_path = self.load_and_split_documents(file_path_or_dir)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/jh/liuchao_project/agents_langchan_ollama/langchian_RAG_FAISS.py", line 60, in load_and_split_documents
documents.extend(loader.load())
^^^^^^^^^^^^^
File "/home/jh/anaconda3/envs/liuchao/lib/python3.11/site-packages/langchain_core/document_loaders/base.py", line 31, in load
return list(self.lazy_load())
^^^^^^^^^^^^^^^^^^^^^^
File "/home/jh/anaconda3/envs/liuchao/lib/python3.11/site-packages/langchain_community/document_loaders/unstructured.py", line 107, in lazy_load
elements = self._get_elements()
^^^^^^^^^^^^^^^^^^^^
File "/home/jh/anaconda3/envs/liuchao/lib/python3.11/site-packages/langchain_community/document_loaders/unstructured.py", line 228, in _get_elements
return partition(filename=self.file_path, **self.unstructured_kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/jh/anaconda3/envs/liuchao/lib/python3.11/site-packages/unstructured/partition/auto.py", line 287, in partition
partition = partitioner_loader.get(file_type)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/jh/anaconda3/envs/liuchao/lib/python3.11/site-packages/unstructured/partition/auto.py", line 360, in get
self._partitioners[file_type] = self._load_partitioner(file_type)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/jh/anaconda3/envs/liuchao/lib/python3.11/site-packages/unstructured/partition/auto.py", line 378, in _load_partitioner
partitioner_module = importlib.import_module(file_type.partitioner_module_qname)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/jh/anaconda3/envs/liuchao/lib/python3.11/importlib/init.py", line 126, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "", line 1204, in _gcd_import
File "", line 1176, in _find_and_load
File "", line 1147, in _find_and_load_unlocked
File "", line 690, in _load_unlocked
File "", line 940, in exec_module
File "", line 241, in _call_with_frames_removed
File "/home/jh/anaconda3/envs/liuchao/lib/python3.11/site-packages/unstructured/partition/doc.py", line 11, in
from unstructured.partition.docx import partition_docx
File "/home/jh/anaconda3/envs/liuchao/lib/python3.11/site-packages/unstructured/partition/docx.py", line 47, in
from unstructured.partition.text_type import (
File "/home/jh/anaconda3/envs/liuchao/lib/python3.11/site-packages/unstructured/partition/text_type.py", line 20, in
from unstructured.nlp.tokenize import pos_tag, sent_tokenize, word_tokenize
File "/home/jh/anaconda3/envs/liuchao/lib/python3.11/site-packages/unstructured/nlp/tokenize.py", line 48, in
download_nltk_packages()
File "/home/jh/anaconda3/envs/liuchao/lib/python3.11/site-packages/unstructured/nlp/tokenize.py", line 37, in download_nltk_packages
tokenizer_available = check_for_nltk_package(
^^^^^^^^^^^^^^^^^^^^^^^
File "/home/jh/anaconda3/envs/liuchao/lib/python3.11/site-packages/unstructured/nlp/tokenize.py", line 24, in check_for_nltk_package
nltk.find(f"{package_category}/{package_name}", paths=paths)
File "/home/jh/anaconda3/envs/liuchao/lib/python3.11/site-packages/nltk/data.py", line 551, in find
return find(modified_name, paths)
^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/jh/anaconda3/envs/liuchao/lib/python3.11/site-packages/nltk/data.py", line 538, in find
return ZipFilePathPointer(p, zipentry)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/jh/anaconda3/envs/liuchao/lib/python3.11/site-packages/nltk/data.py", line 391, in init
zipfile = OpenOnDemandZipFile(os.path.abspath(zipfile))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/jh/anaconda3/envs/liuchao/lib/python3.11/site-packages/nltk/data.py", line 1020, in init
zipfile.ZipFile.init(self, filename)
File "/home/jh/anaconda3/envs/liuchao/lib/python3.11/zipfile.py", line 1312, in init
self._RealGetContents()
File "/home/jh/anaconda3/envs/liuchao/lib/python3.11/zipfile.py", line 1379, in _RealGetContents
raise BadZipFile("File is not a zip file")
zipfile.BadZipFile: File is not a zip file

System Info

python=3.11
langchain=0.3.18