code: def get_dataset(self, key, info):
          
          logger.debug('Reading %s.', key.name)
  
          variable = self.nc[key.name]
  
          info.update(variable.attrs)
          info.update(key.to_dict())
          info.update(dict(platform_name=self.platform_name,
                           sensor=self.sensor))
  
          variable.attrs = info
          return variable
docs: Load a dataset.