old_contents: #!/usr/bin/python3
  
  # Adapted from https://github.com/openai/mujoco-py/blob/master/vendor/Xdummy-entrypoint
  # Copyright OpenAI; MIT License
  
  import argparse
  import os
  import sys
  import subprocess
  
  if __name__ == "__main__":
      parser = argparse.ArgumentParser()
      args, extra_args = parser.parse_known_args()
  
      subprocess.Popen(
          [
              "nohup",
              "Xorg",
              "-noreset",
              "+extension",
              "GLX",
              "+extension",
              "RANDR",
              "+extension",
              "RENDER",
              "-logfile",
              "/tmp/xdummy.log",
              "-config",
              "/etc/dummy_xorg.conf",
              ":0",
          ]
      )
      subprocess.Popen(
          ["nohup", "Xdummy"],
          stdout=open("/dev/null", "w"),
          stderr=open("/dev/null", "w"),
      )
      os.environ["DISPLAY"] = ":0"
  
      if not extra_args:
          argv = ["/bin/bash"]
      else:
          argv = extra_args
  
      # Explicitly flush right before the exec since otherwise things might get
      # lost in Python's buffers around stdout/stderr (!).
      sys.stdout.flush()
      sys.stderr.flush()
  
      os.execvpe(argv[0], argv, os.environ)
  
new_contents: #!/usr/bin/python3
  
  # Adapted from https://github.com/openai/mujoco-py/blob/master/vendor/Xdummy-entrypoint
  # Copyright OpenAI; MIT License
  
  import argparse
  import os
  import sys
  import subprocess
  
  if __name__ == "__main__":
      parser = argparse.ArgumentParser()
      args, extra_args = parser.parse_known_args()
  
      subprocess.Popen(
          [
              "nohup",
              "Xorg",
              "-noreset",
              "+extension",
              "GLX",
              "+extension",
              "RANDR",
              "+extension",
              "RENDER",
              "-logfile",
              "/tmp/xdummy.log",
              "-config",
              "/etc/dummy_xorg.conf",
              ":0",
          ]
      )
      os.environ["DISPLAY"] = ":0"
  
      if not extra_args:
          argv = ["/bin/bash"]
      else:
          argv = extra_args
  
      # Explicitly flush right before the exec since otherwise things might get
      # lost in Python's buffers around stdout/stderr (!).
      sys.stdout.flush()
      sys.stderr.flush()
  
      os.execvpe(argv[0], argv, os.environ)
  
subject: Remove redundant component of Xdummy (#434)