loongson/pypi: links for chembl-migration-model

loongson/mirror chembl-migration-model-0.9.6.tar.gz
loongson/mirror chembl-migration-model-0.8.3.tar.gz
loongson/mirror chembl_migration_model-0.8.2.tar.gz
loongson/mirror chembl_migration_model-0.8.0.tar.gz
loongson/mirror chembl_migration_model-0.7.0.tar.gz
loongson/mirror chembl_migration_model-0.6.0.tar.gz
loongson/mirror chembl_migration_model-0.5.7.tar.gz
loongson/mirror chembl_migration_model-0.5.3.tar.gz