loongson/mirror: links for pyproperty

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