tce-load -i compiletc python3.9-dev python3.9-setuptools wget https://files.pythonhosted.org/packages/f6/f3/b827b3ab53b4e3d8513914586dcca61c355fa2ce8252dea4da56e67bf8f2/typing_extensions-4.11.0.tar.gz cd typing_extensions-4.11.0 python3.9 setup.py build sudo python3.9 setup.py install --root=/tmp/pkg