code: def main():
      """This is needed because the user script runs in a separate process, so python
      cannot capture its output.
  
      Here we run the entire orion script in its own process so we can capture all of its output.
      """
      os.chdir(os.path.dirname(os.path.abspath(__file__)))
  
      print("Start main process")
      os.environ["ORION_PRINT"] = "True"
      with OrionState():
          orion.core.cli.main(
              [
                  "hunt",
                  "-n",
                  "default_algo",
                  "--exp-max-trials",
                  "5",
                  "./black_box.py",
                  "-x~uniform(0, 5, discrete=True)",
              ]
          )
  
      print("Main process Error", file=sys.stderr)
      print("End main process")
  
imports: import os
  import sys
  import orion
  import orion.core.cli
  from orion.testing import OrionState
label_desc: Use image node_id 1 for calling a global function with example usage: main() without return types