[Python] NLTK LookupError: punkt resource not found despite manual installation and...

Discussão em 'Python' iniciado por Stack, Maio 22, 2025.

  1. Stack

    Stack Membro Participativo

    I'm encountering an NLTK LookupError for the punkt tokenizer in Python 3.12 on Windows. Even after running nltk.download('punkt') and manually adding the punkt folder to my nltk_data directory, NLTK still can't locate the resource. I've verified the folder structure and added paths explicitly, but the error persists. How can I resolve this?

    I've already ensured the following:

    • Downloaded the punkt tokenizer using nltk.download('punkt').
    • Also manually added the punkt folder to the nltk_data/tokenizers directory.
    • Verified that the folder structure was correct.
    • Added the data folder path explicitly so NLTK could find it.
    • Checked the paths where NLTK looks for data.
    • Ran simple sentence tokenization examples to test.
    • Used Python 3.12 on Windows.

    Problem faced:

    • NLTK repeatedly showed a LookupError saying the punkt resource was not found.
    • The error persisted despite manual folder addition and running the downloader.
    • NLTK could not locate the tokenizer resource.
    • The issue remained across different environments and attempts.

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