old_contents: #!/usr/bin/env python
  #
  # Syntax: ./run_job <session-id>
  #
  # It should be run with the current working directory set properly
  #
  import sys, json
  from sci.session import Session
  from sci.bootstrap import Bootstrap
  
  data = json.loads(sys.stdin.read())
  
  session_id = sys.argv[1]
  session = Session.load(session_id)
  
  run_info = data['run_info']
  Bootstrap.run(session, data['build_id'], data['job_server'],
                run_info['step_fun'], args = run_info['args'],
                kwargs = run_info['kwargs'], env = run_info['env'])
  
new_contents: #!/usr/bin/env python
  #
  # Syntax: ./run_job <session-id>
  #
  # It should be run with the current working directory set properly
  #
  import sys, json
  from sci.session import Session
  from sci.bootstrap import Bootstrap
  
  data = json.loads(sys.stdin.read())
  
  session_id = sys.argv[1]
  session = Session.load(session_id)
  
  run_info = data['run_info'] or {}
  
  Bootstrap.run(session, data['build_id'], data['job_server'],
                run_info.get('step_fun'),
                args = run_info.get('args', []),
                kwargs = run_info.get('kwargs', {}),
                env = run_info.get('env'))
  
subject: Support when run_info is not specified