old_contents: space = [
    ['EnumParameter', 'x', range(100)],
    ['EnumParameter', 'y', range(100)],
    ['EnumParameter', 'z', range(100)]
  ]
  
  budget = 8
  
  workspace = '/work/zhang/users/liu/work/datuner_workspace'
  
  machines = [
    'gl387@zhang-05.ece.cornell.edu',
    'gl387@zhang-06.ece.cornell.edu'
  ]
  
  flow = 'sample-3d'
  
  server_address = ('zhang-05.ece.cornell.edu', 10015)
  
new_contents: space = [
    ['EnumParameter', 'x', range(100)],
    ['EnumParameter', 'y', range(100)],
    ['EnumParameter', 'z', range(100)]
  ]
  
  budget = 8
  
  flow = 'sample-3d'
  
  server_address = ('zhang-05.ece.cornell.edu', 10015)
  
subject: update example config.py