loongson/pypi: links for iroin-pycountry

loongson/mirror iroin_pycountry-20.7.9.tar.gz
loongson/mirror iroin_pycountry-20.7.8.tar.gz
loongson/mirror iroin_pycountry-20.7.7.tar.gz
loongson/mirror iroin_pycountry-20.7.6.tar.gz