NLTK Lookup Error

TL;DR

import nltk
nltk.download('averaged_perceptron_tagger')

Or to download all packages + data + docs:

import nltk
nltk.download('all')

See How do I download NLTK data?

First answer said the missing module is 'the Perceptron Tagger', actually its name in nltk.download is 'averaged_perceptron_tagger'

You can use this to fix the error

nltk.download('averaged_perceptron_tagger')

Use

>>> nltk.download()

to install the missing module (the Perceptron Tagger).

(check also the answers to Failed loading english.pickle with nltk.data.load)

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