The use of `yaml.load` without Loader is deprecated and
considered unsafe.
The warning notice:
/opt/stack/python-tackerclient/tackerclient/tacker/v1_0/nfvo/vim.py:
YAMLLoadWarning: calling yaml.load() without Loader=... is deprecated,
as the default Loader is unsafe.
Please read https://msg.pyyaml.org/load for full details.
config_param = yaml.load(config_yaml)
This change adds (Loader=yaml.SafeLoader) to remove the warning.
Change-Id: Idc77d855b41801777d57cfe92d1c448b6e72feaa
94e28fc28f