Task: Fix pip3 HTMLParser 'unescape' AttributeError on Python 3.9

Task: Fix pip3 HTMLParser 'unescape' AttributeError on Python 3.9: a task in Terminal-Lego-15k (Harbor dataset). This error occurs because the HTMLParser.unescape() method was deprecated in Python 3.4 and removed in Python 3.9. The system's setuptools package is outdated and incompatible with…