def scanner_key(self):
        return None
Get the minimum service version in the database.
dataset/ETHPy150Open kayhayen/Nuitka/nuitka/build/inline_copy/lib/scons-2.3.2/SCons/Node/FS.py/Dir.scanner_key--crossover with--dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/db/api.py/service_get_minimum_version