def instance_tag_add(context, instance_uuid, tag):
    return IMPL.instance_tag_add(context, instance_uuid, tag)
resolve imports of proj_dir and returns a big dictionary
dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/db/api.py/instance_tag_add--crossover with--dataset/ETHPy150Open floooh/fips/mod/dep.py/gather_imports