root/pypi: links for mock-open

root/pypi mock-open-1.4.0.tar.gz
root/pypi mock-open-1.3.2.tar.gz
root/pypi mock-open-1.3.1.tar.gz
root/pypi mock-open-1.2.2.tar.gz
root/pypi mock-open-1.2.1.tar.gz
root/pypi mock-open-1.1.0.tar.gz