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nltk

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nltk
NLTK Source

Python · 14719 stars
nltk_data
NLTK Data

Python · 1831 stars

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CI flake inventory: three distinct flake classes behind the 2026 failures Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

nltk/nltk#3898 · 2 reactions · Opened Sep 17, 2026
Path traversal in model-artifact APIs bypasses pathsec Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

nltk/nltk#3897 · Opened Sep 16, 2026
To contributors and agents scanning Github issues to create new pull requests Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

nltk/nltk#3883 · 1 comment · Opened Sep 10, 2026
Proposal: Simplify complete hierarchical traversal (strict + instance relations) for `Synset` Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

nltk/nltk#3859 · 7 comments · Opened Sep 4, 2026
Security Tracking: NLTK Vulnerability Mitigation Roadmap Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

nltk/nltk#3793 · 2 comments · Opened Aug 28, 2026
During vulnerability scanning through JFROG , we have encountered CVSS 7.0 v3 high security vulnerability through nltk:3.10.3 Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

nltk/nltk#3789 · 3 comments · Opened Aug 26, 2026
Standardize import alias for `pathsec.open` to address remaining file I/O security gaps Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

nltk/nltk#3740 · 2 comments · Opened Aug 8, 2026
Code block styling feels dated, replace harsh orange Pygments highlighting with a muted, Carbon.sh/Medium-style theme Open

Difficulty 3/5 1-2 days Newbie friendliness 58/100

nltk/nltk#3738 · Opened Aug 6, 2026
Refactoring NLTK's Import Structure into a Strict DAG Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

nltk/nltk#3712 · 2 comments · Opened Jul 25, 2026
nltk_data in my home directory Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

nltk/nltk_data#258 · Opened Feb 3, 2026
Inquiry about permission to translate NLTK documentation Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

nltk/nltk#3499 · 8 comments · Opened Jan 31, 2026
possibly adding Korean stopwords Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

nltk/nltk_data#257 · Opened Jan 25, 2026
Contribution: Pattern-based Arabic Analyzer (AAStemmer) Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

nltk/nltk#3496 · Opened Jan 10, 2026
CHILDES-related functions may not work properly at this time Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

nltk/nltk#3492 · Opened Dec 30, 2025
Too many packages need unzipping Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

nltk/nltk#3473 · Opened Nov 30, 2025
CI missing NLTK_DATA Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

nltk/nltk#3463 · Opened Nov 11, 2025
[Feature / Bug] Handle invalid n values gracefully in NIST score computation Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

nltk/nltk#3444 · 2 comments · Opened Oct 29, 2025
`nltk.util.elementtree_indent` should restrict parameter ranges in the documentation Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

nltk/nltk#3441 · 3 comments · Opened Oct 27, 2025
There is not enough delay after launching a CoreNLP server and before testing whether the process exited prematurely Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

nltk/nltk#3429 · Opened Oct 1, 2025
Remove or archive twitter_samples due to Twitter/X ToS violation Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

nltk/nltk_data#251 · Opened Sep 30, 2025
Semcor License is likely invalid Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

nltk/nltk_data#250 · 12 comments · Opened Sep 29, 2025
Let tokenizers be installed via Pip Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

nltk/nltk#3413 · 5 comments · 1 reaction · Opened Aug 14, 2025
Enhancement: Hybrid CCG/UCG support using Feature Structures Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

nltk/nltk#3412 · Opened Aug 4, 2025
word_tokenize fails due to punkt_tab reference in multiple environments Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

nltk/nltk#3394 · 5 comments · 1 reaction · Opened May 29, 2025
Chomsky Normal Form conversion of PCFG Open

nltk/nltk#3384 · 2 comments · 1 assignee · Opened Mar 18, 2025
Punkt Sentence Tokenizer incorrectly splits on multi-period abbreviations Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

nltk/nltk#3370 · 1 comment · Opened Feb 24, 2025
Lesk adaptation for other than English languages Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

nltk/nltk#3343 · 1 comment · Opened Dec 2, 2024
KneserNeyInterpolated taking an unreasonable amount of time to generate text Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

nltk/nltk#3317 · 3 comments · Opened Sep 3, 2024
Hindi Stopwords Missing Open

nltk/nltk_data#223 · 2 comments · 1 reaction · 1 assignee · Opened Aug 25, 2024
polish stopwords missing Open

nltk/nltk_data#222 · 1 assignee · Opened Aug 12, 2024
German Punkt: more time units in `##number## word` pattern Open

Difficulty 1/5 Under an hour Newbie friendliness 38/100

nltk/nltk_data#221 · 1 comment · Opened Jul 30, 2024
Move the pickles to a special collection Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

nltk/nltk_data#219 · 7 comments · Opened Jul 22, 2024
CI retest Github short cut no longer working Open

CI internals

Difficulty 3/5 1-2 days Newbie friendliness 45/100

nltk/nltk#3281 · 1 reaction · Opened Jul 8, 2024
Replacing black with ruff in CI/CD precommit hook Open

CI good first issue nice idea

Difficulty 3/5 1-2 days Newbie friendliness 45/100

nltk/nltk#3278 · 5 comments · Opened Jul 8, 2024
Typo in nltk/tbl/demo.py? Open

Difficulty 1/5 Under an hour Newbie friendliness 72/100

nltk/nltk#3269 · 1 comment · Opened Jul 2, 2024
Add functionality to return the lemmas of words used in a corpus. Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

nltk/nltk#3256 · 1 comment · Opened May 21, 2024
SnowballStemmer: how to avoid transliteration? Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

nltk/nltk#3249 · 1 comment · Opened May 1, 2024
Minor error in the RSLP's step0 file Open

Difficulty 1/5 Under an hour Newbie friendliness 50/100

nltk/nltk_data#207 · Opened Apr 5, 2024
It would be nice to have a mapping from arpabet to IPA for the cmudict Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

nltk/nltk#3238 · 3 comments · 1 reaction · Opened Mar 13, 2024
some french stopwords are wrong (punkt) Open

Difficulty 2/5 1-3 hours Newbie friendliness 38/100

nltk/nltk_data#206 · 4 comments · 1 reaction · Opened Feb 29, 2024
Albanian stopwords missing Open

nltk/nltk_data#204 · 1 assignee · Opened Jan 26, 2024
`TreebankWordDetokenizer().detokenize()` introduces unexpected spaces before periods. Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

nltk/nltk#3210 · Opened Dec 5, 2023
not able to download stopwords Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

nltk/nltk_data#203 · 1 reaction · Opened Nov 14, 2023
Add a function of splitting combined words. Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

nltk/nltk#3195 · Opened Oct 20, 2023
I am not able to download punkt.zip file for tokenization purpose Open

Difficulty 3/5 1-2 days Newbie friendliness 20/100

nltk/nltk_data#202 · 4 comments · Opened Oct 2, 2023
Adding our African Stopwords Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

nltk/nltk_data#201 · Opened Sep 24, 2023
not download punkt Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

nltk/nltk#3187 · 6 comments · Opened Sep 8, 2023
Tamil stopwords were missing Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

nltk/nltk_data#198 · Opened Aug 30, 2023
In CoreNLPParser, how can I get output as different formats, e.g., 'wordsAndTags' or 'typedDependencies' Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

nltk/nltk#3184 · Opened Aug 22, 2023
Formatargspec Warning in import line Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

nltk/nltk#3182 · Opened Aug 7, 2023

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