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nltk
NLTK Source

Python · 14719 stars
nltk_data
NLTK Data

Python · 1831 stars
nltk_book
NLTK Book

HTML · 426 stars

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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
Incorrect expression for lexical diversity in Chapter 2 Open

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

nltk/nltk_book#268 · Opened Oct 30, 2025
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
`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
Example 4.4 (code_freq_words2.py) typo and Example 4.3 (code_freq_words1.py) outdated link Open

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

nltk/nltk_book#255 · Opened Jan 19, 2022
Chapter 2.1 Missing brackets p41 Open

Difficulty 1/5 Under an hour Newbie friendliness 68/100

nltk/nltk_book#251 · Opened Jul 20, 2021
Chapter 3 - Section 9 - Text Wrapping incorrect format Open

Difficulty 1/5 Under an hour Newbie friendliness 65/100

nltk/nltk_book#241 · Opened Nov 4, 2020
Chapter 7 Example 4.2 code error Open

Difficulty 1/5 Under an hour Newbie friendliness 68/100

nltk/nltk_book#233 · Opened Oct 26, 2019
Docstring for word_tokenize "preserve_line" parameter is unclear Open

Difficulty 1/5 Under an hour Newbie friendliness 68/100

nltk/nltk#2425 · Opened Oct 10, 2019
nltk.corpus.reader.NKJPCorpusReader fails on Python 3.x Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

nltk/nltk#2416 · 1 comment · 1 reaction · Opened Sep 24, 2019
Chapter 2 4.4 toolbox moved to software.sil.org/toolbox Open

Difficulty 1/5 Under an hour Newbie friendliness 65/100

nltk/nltk_book#231 · Opened Sep 18, 2019
Chapter 10: example (48) does not parse Open

Difficulty 1/5 Under an hour Newbie friendliness 82/100

nltk/nltk_book#222 · Opened Apr 9, 2019
Add words to the Portuguese stopword list Open

Difficulty 1/5 Under an hour Newbie friendliness 65/100

nltk/nltk#2241 · 2 comments · Opened Feb 24, 2019
Chapter 4 - Section 4.8 A Sample of Python Libraries - SubSection Matplotlib Open

Difficulty 1/5 Under an hour Newbie friendliness 68/100

nltk/nltk_book#197 · Opened Jul 31, 2017
Chapter 5, Section 2.5 Note, Code Typo Open

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

nltk/nltk_book#192 · Opened May 23, 2017
Chapter 10, section 4.1, 4th paragraph, sentence grammar Open

Difficulty 1/5 Under an hour Newbie friendliness 68/100

nltk/nltk_book#184 · Opened Jan 6, 2017
Chapter 10, Section 2, 3rd Code Block Open

Difficulty 1/5 Under an hour Newbie friendliness 85/100

nltk/nltk_book#183 · Opened Jan 6, 2017
Ch6 example 2.1 classification_based segmenter Open

Chapter 6

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

nltk/nltk_book#162 · 1 comment · Opened Jul 17, 2015
Incorrect links to tables in CH00(en) Open

Preface

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

nltk/nltk_book#41 · Opened Dec 3, 2013
Typo in DAG figures Open

Chapter 9 HTML version

Difficulty 1/5 Under an hour Newbie friendliness 65/100

nltk/nltk_book#28 · Opened Nov 1, 2013

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