old_contents: import os
  import time
  
  from dj_experiment.tasks.tasks import longtime_add, netcdf_save
  from example.settings import (DJ_EXPERIMENT_BASE_DATA_DIR,
                                DJ_EXPERIMENT_DATA_DIR)
  
  if __name__ == '__main__':
      result = longtime_add.delay(1, 2)
      # at this time, our task is not finished, so it will return False
      print 'Task finished? ', result.ready()
      print 'Task result: ', result.result
      # sleep 10 seconds to ensure the task has been finished
      time.sleep(10)
      # now the task should be finished and ready method will return True
      print 'Task finished? ', result.ready()
      print 'Task result: ', result.result
  
      rcmdatadir = os.path.join(DJ_EXPERIMENT_BASE_DATA_DIR,
                                DJ_EXPERIMENT_DATA_DIR)
      result1 = netcdf_save.delay(14, rcmdatadir)
      print 'Task netcdf finished? ', result1.ready()
      print 'Task result1: ', result1.result
      time.sleep(10)
      print 'Task netcdf finished? ', result1.ready()
      print 'Task result1: ', result1.result
  
new_contents: import os
  import time
  
  from dj_experiment.tasks.tasks import longtime_add, netcdf_save
  from example.settings import DJ_EXPERIMENT_BASE_DATA_DIR
  
  if __name__ == '__main__':
      result = longtime_add.delay(1, 2)
      # at this time, our task is not finished, so it will return False
      print 'Task finished? ', result.ready()
      print 'Task result: ', result.result
      # sleep 10 seconds to ensure the task has been finished
      time.sleep(10)
      # now the task should be finished and ready method will return True
      print 'Task finished? ', result.ready()
      print 'Task result: ', result.result
  
      rcmdatadir = DJ_EXPERIMENT_BASE_DATA_DIR
      result1 = netcdf_save.delay(14, rcmdatadir)
      print 'Task netcdf finished? ', result1.ready()
      print 'Task result1: ', result1.result
      time.sleep(10)
      print 'Task netcdf finished? ', result1.ready()
      print 'Task result1: ', result1.result
  
subject: Fix wrong path composition for data directory