loongson/pypi: links for dva

loongson/mirror dva-0.6.tar.gz
loongson/mirror dva-0.5.tar.gz
loongson/mirror dva-0.4.tar.gz
loongson/mirror dva-0.3.tar.gz
loongson/mirror dva-0.2.tar.gz
loongson/mirror dva-0.1.tar.gz