pythonssl-certificatenltk

NLTK download SSL: Certificate verify failed

I get the following error when trying to install Punkt for nltk:

nltk.download('punkt')    
 [nltk_data] Error loading Punkt: <urlopen error [SSL:
 [nltk_data]     CERTIFICATE_VERIFY_FAILED] certificate verify failed
 [nltk_data]     (_ssl.c:590)>
False
Solution

  • The downloader script is broken. As a temporal workaround can manually download the punkt tokenizer from here and then place the unzipped folder in the corresponding location. The default folders for each OS are: