
Replace six.add_metaclass with Python 3 style code. Change-Id: Ifc3f2bcb8fcdd2b555864bd4e22a973a7858c272 Implements: blueprint six-removal Signed-off-by: Takashi Natsume <takanattie@gmail.com>
Replace six.add_metaclass with Python 3 style code. Change-Id: Ifc3f2bcb8fcdd2b555864bd4e22a973a7858c272 Implements: blueprint six-removal Signed-off-by: Takashi Natsume <takanattie@gmail.com>