root/pypi: links for nb-courselevels

root/pypi nb-courselevels-0.5.4.tar.gz
root/pypi nb_courselevels-0.5.4-py3-none-any.whl
root/pypi nb-courselevels-0.5.3.tar.gz
root/pypi nb_courselevels-0.5.3-py3-none-any.whl
root/pypi nb-courselevels-0.5.2.tar.gz
root/pypi nb_courselevels-0.5.2-py3-none-any.whl
root/pypi nb-courselevels-0.5.1.tar.gz
root/pypi nb_courselevels-0.5.1-py3-none-any.whl