code: def load(ctx, input, output):
      
      log.debug('chemdataextractor.cluster.load')
      import pickle
      click.echo('Reading %s' % input.name)
      clusters = {}
      for line in input.readlines():
          cluster, word, freq = line.split()
          clusters[word] = cluster
      pickle.dump(clusters, output, protocol=pickle.HIGHEST_PROTOCOL)
docs: Read clusters from file and save to model file.