def close(self):
        self.goahead(1)
Queries Google Compute Engine to see if the specified image exists for
dataset/ETHPy150Open azoft-dev-team/imagrium/env/Lib/sgmllib.py/SGMLParser.close--crossover with--dataset/ETHPy150Open AppScale/appscale-tools/lib/agents/gce_agent.py/GCEAgent.does_image_exist