Security update for python-nltk (moderate)

An update that fixes one vulnerability is now available.

Description:

This update for python-nltk fixes the following issues:

Update to 3.4.5 (boo#1146427, CVE-2019-14751):

• CVE-2019-14751: Fixed Zip slip vulnerability in downloader for the
  unlikely situation where a user configures their downloader to use a
  compromised server (boo#1146427)

Update to 3.4.4:

• fix bug in plot function (probability.py)
• add improved PanLex Swadesh corpus reader
• add Text.generate()
• add QuadgramAssocMeasures
• add SSP to tokenizers
• return confidence of best tag from AveragedPerceptron
• make plot methods return Axes objects
• don’t require list arguments to PositiveNaiveBayesClassifier.train
• fix Tree classes to work with native Python copy library
• fix inconsistency for NomBank
• fix random seeding in LanguageModel.generate
• fix ConditionalFreqDist mutation on tabulate/plot call
• fix broken links in documentation
• fix misc Wordnet issues
• update installation instructions

Version update to 3.4.1:

• add chomsky_normal_form for CFGs
• add meteor score
• add minimum edit/Levenshtein distance based alignment function
• allow access to collocation list via text.collocation_list()
• support corenlp server options
• drop support for Python 3.4
• other minor fixes

Update to v3.4:

• Support Python 3.7
• New Language Modeling package
• Cistem Stemmer for German
• Support Russian National Corpus incl POS tag model
• Krippendorf Alpha inter-rater reliability test
• Comprehensive code clean-ups
• Switch continuous integration from Jenkins to Travis

Updated to v3.3:

• Support Python 3.6
• New interface to CoreNLP
• Support synset retrieval by sense key
• Minor fixes to CoNLL Corpus Reader
• AlignedSent
• Fixed minor inconsistencies in APIs and API documentation
• Better conformance to PEP8
• Drop Moses Tokenizer (incompatible license)

This update was imported from the openSUSE:Leap:15.1:Update update project.

Patch Instructions:

To install this openSUSE Security Update use the SUSE recommended installation methods
like YaST online_update or “zypper patch”.

Alternatively you can run the command listed for your product:

• openSUSE Backports SLE-15-SP1:

  zypper in -t patch openSUSE-2020-440=1