runtime error

LookupError(resource_not_found) LookupError: ********************************************************************** Resource punkt not found. Please use the NLTK Downloader to obtain the resource: >>> import nltk >>> nltk.download('punkt')  For more information see: https://www.nltk.org/data.html Attempted to load tokenizers/punkt/PY3/english.pickle Searched in: - '/home/user/nltk_data' - '/usr/local/nltk_data' - '/usr/local/share/nltk_data' - '/usr/local/lib/nltk_data' - '/usr/share/nltk_data' - '/usr/local/share/nltk_data' - '/usr/lib/nltk_data' - '/usr/local/lib/nltk_data' - '' ********************************************************************** """ The above exception was the direct cause of the following exception: Traceback (most recent call last): File "/home/user/app/app.py", line 44, in <module> create_vectorstore() File "/home/user/app/init.py", line 151, in create_vectorstore texts = process_documents() File "/home/user/app/init.py", line 93, in process_documents documents = load_documents(DOCUMENTS_PATH, ignored_files) File "/home/user/app/init.py", line 79, in load_documents for i, docs in enumerate( File "/usr/local/lib/python3.9/multiprocessing/pool.py", line 870, in next raise value LookupError: ********************************************************************** Resource punkt not found. Please use the NLTK Downloader to obtain the resource: >>> import nltk >>> nltk.download('punkt')  For more information see: https://www.nltk.org/data.html Attempted to load tokenizers/punkt/PY3/english.pickle Searched in: - '/home/user/nltk_data' - '/usr/local/nltk_data' - '/usr/local/share/nltk_data' - '/usr/local/lib/nltk_data' - '/usr/share/nltk_data' - '/usr/local/share/nltk_data' - '/usr/lib/nltk_data' - '/usr/local/lib/nltk_data' - '' **********************************************************************

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