loongson/pypi: links for disnc1-py

loongson/mirror disnc1.py-1.9.0.tar.gz
loongson/mirror disnc1.py-1.8.0.tar.gz
loongson/mirror disnc1.py-1.7.0.tar.gz
loongson/mirror disnc1.py-1.6.0.tar.gz