import nltk nltk.download('punkt') nltk.download('punkt_tab') # sometimes needed nltk.download('wordnet') # for lemmatizing nltk.download('porter_test') # if using PorterStemmer Explicitly import the stemmer:
Download the missing data:
Reinstall the package:
pip uninstall PyPhenom pip install PyPhenom Or install Snowball separately: could not load stem extractor module
Download or reinstall the model: