loongson/pypi: links for python-blockbee-checkout

loongson/mirror python-blockbee-checkout-1.0.3.tar.gz
loongson/mirror python-blockbee-checkout-1.0.2.tar.gz
loongson/mirror python-blockbee-checkout-1.0.1.tar.gz
loongson/mirror python-blockbee-checkout-1.0.0.tar.gz