Bumps [nltk](https://github.com/nltk/nltk) from 3.6.3 to 3.9.4.

Changelog

Version 3.9.4 2026-03-24

Support Python 3.14

Fix bug in Levenshtein distance when substitution_cost > 2

Fix bug in Treebank detokeniser re quote ordering

Fix bug in Jaro similarity for empty strings

Several security enhancements

Fix GHSA-rf74-v2fm-23pw: unbounded recursion in JSONTaggedDecoder

Implement TextTiling vocabulary introduction method (Hearst 1997)

Fix ALINE feature matrix errors and add comprehensive tests

Support multiple VerbNet versions, fix longid/shortid regex for VerbNet ids

Let downloader fallback to md5 when sha256 is unavailable

Several other minor bugfixes and code cleanups

Thanks to the following contributors to 3.9.4: Min-Yen Kan, Eric Kafe, Emily Voss, bowiechen, Hrudhai01, jancallewaert, Mr-Neutr0n, pollak.peter89, ylwango613,

Version 3.9.3 2026-02-21

Fix CVE-2025-14009: secure ZIP extraction in nltk.downloader (#3468)

Block path traversal/arbitrary reads in nltk.data for protocol-less refs (#3467)

Block path traversal/abs paths in corpus readers and FS pointers (#3479, #3480)

Validate external StanfordSegmenter JARs using SHA256 (#3477)

Add optional sandbox enforcement for filestring() (#3485)

Maintenance: downloader/zipped models, CI/tooling updates

Thanks to the following contributors to 3.9.3: Chris Clauss, Eric Kafe, HyperPS, purificant, Shivansh-Game, Christopher Smith

Version 3.9.2 2025-10-01

Update download checksums to use SHA256 in built index

Fix percentage escape in new-style string formatting

replace shortened URLs using goo.gl

Make Wordnet interoperable with various taggers and tagged corpora

Fix saving PerceptronTagger

Document how to reproduce old Wordnet studies

properly initialize Portuguese corpus reader

support for mixed rules conversion into Chomsky Normal Form

only import tkinter if a GUI is needed

issue #2112 with Corenlp

new environment variable NLTK_DOWNLOADER_FORCE_INTERACTIVE_SHELL

Lesk defaults to most frequent sense in case of ties

Thanks to the following contributors to 3.9.2: Jose Cols, Peter de Blanc, GeneralPoxter, Eric Kafe, William LaCroix, Jason Liu, Samer Masterson, Mike014, purificant, Andrew Ernest Ritz, samertm, Ikram Ul Haq, Christopher Smith, Ryan Mannion

Version 3.9.1 2024-08-19

... (truncated)

Commits

ad9c96b Update copyright year
7edcddf Updates for 3.9.4 release
67a2736 Merge pull request #3180 from yzhaoinuw/bug-on-edit_distance_align
2b17ac5 Fix edit_distance_align backtrace for high substitution costs
4b72976 Merge pull request #3018 from JuanIMartinezB/bug/shortid-longid
8a5619f Merge pull request #3222 from Syzygy2048/feature/texttiling-vocabulary-introd...
c6574d7 Merge pull request #3289 from ihitamandal/codeflash/optimize-windowdiff-2024-...
98ff5d9 Merge pull request #3435 from Hrudhai01/fix-3260-detokenize-quotes
aec4fce Merge pull request #3522 from ekaf/pathsec
eec4ee3 Merge pull request #3526 from nltk/update-contributing
Additional commits viewable in compare view

[![Dependabot compatibility score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=nltk&package-manager=pip&previous-version=3.6.3&new-version=3.9.4)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores) Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting `@dependabot rebase`. [//]: # (dependabot-automerge-start) [//]: # (dependabot-automerge-end) ---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR: - `@dependabot rebase` will rebase this PR - `@dependabot recreate` will recreate this PR, overwriting any edits that have been made to it - `@dependabot show ignore conditions` will show all of the ignore conditions of the specified dependency - `@dependabot ignore this major version` will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this minor version` will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this dependency` will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself) You can disable automated security fix PRs for this repo from the [Security Alerts page](https://github.com/continuedev/continue/network/alerts).

--- ## Summary by cubic Upgrade `nltk` from 3.6.3 to 3.9.4 in `manual-testing-sandbox` to pick up security patches and stability improvements. The update adds Python 3.14 support and fixes issues in edit distance/Jaro similarity and Treebank detokenization. ^{Written for commit af8acf41b7ddea664fdf381c642c9cd3f9491c76. Summary will update on new commits.}