loongson/pypi: links for celery-callback-service

loongson/mirror celery-callback-service-0.1.8.tar.gz
loongson/mirror celery_callback_service-0.1.8-py3-none-any.whl
loongson/mirror celery-callback-service-0.1.7.tar.gz
loongson/mirror celery_callback_service-0.1.7-py3-none-any.whl
loongson/mirror celery-callback-service-0.1.6.tar.gz
loongson/mirror celery_callback_service-0.1.6-py3-none-any.whl