old_contents: import os
  pjoin = os.path.join
  
  base_dir = '/data/username/aminer-network'
  data_dir = pjoin(base_dir, 'data')
  originals_dir = pjoin(base_dir, 'original-data')
  base_csv_dir = pjoin(data_dir, 'base-csv')
  filtered_dir = pjoin(data_dir, 'filtered-csv')
  repdoc_dir = pjoin(data_dir, 'repdocs')
  graph_dir = pjoin(data_dir, 'graphs')
  
new_contents: import os
  pjoin = os.path.join
  
  base_dir = '/data/username/aminer-network'
  data_dir = pjoin(base_dir, 'data')
  originals_dir = pjoin(data_dir, 'original-data')
  base_csv_dir = pjoin(data_dir, 'base-csv')
  filtered_dir = pjoin(data_dir, 'filtered-csv')
  repdoc_dir = pjoin(data_dir, 'repdocs')
  graph_dir = pjoin(data_dir, 'graphs')
  
subject: fix confusing typo in config-example