pip3 install --user -U matplotlib
pip3 install --user -U wordcloud
pip3 install --user -U nltk
In a python3 interpreter run
import nltk
nltk.download("averaged_perceptron_tagger")
nltk.download("floresta")
nltk.download("mac_morpho")
nltk.download("machado")
nltk.download("punkt")
nltk.download("stopwords")
nltk.download("wordnet")
nltk.download("words")
./gen-cloud.py casmurro.txt