loongson/pypi: links for classattr

loongson/mirror classattr-1.0.5.tar.gz
loongson/mirror classattr-1.0.4.tar.gz
loongson/mirror classattr-1.0.3.tar.gz
loongson/mirror classattr-1.0.2.tar.gz
loongson/mirror classattr-1.0.1.tar.gz
loongson/mirror classattr-1.0.0.tar.gz