code: def _get_host(self):
          
          if 'VCAP_SERVICES' in os.environ:
              services = json.loads(os.getenv('VCAP_SERVICES'))
              host = services['predix-blobstore'][0]['credentials']['host']
          else:
              host = predix.config.get_env_value(self, 'host')
  
          # Protocol may not always be included in host setting
          if 'https://' not in host:
              host = 'https://' + host
  
          return host
docs: Returns the host address for an instance of Blob Store service from
          environment inspection.