[Snyk] Security upgrade nltk from 3.3 to 3.8.1#13

clifford-snyk-github wants to merge 1 commit intomasterclifford-snyk-github/python-goof:masterfrom

snyk-fix-4c7615f5f1e2ab4b6b07b39def0f698fclifford-snyk-github/python-goof:snyk-fix-4c7615f5f1e2ab4b6b07b39def0f698fCopy head branch name to clipboard