old_contents: #!/usr/bin/env python3
  # coding: utf-8
  import subprocess
  import sys
  
  
  def run(command):
      if isinstance(command, str):
          command = [command]
      elif isinstance(command, list):
          command = [*command]
      # pout = subprocess.run(["/bin/bash", "-c"] + [command],
      pout = subprocess.run(command,
                            stdout=subprocess.PIPE,
                            stderr=subprocess.PIPE,
                            )
      returnstr = ""
      if pout.returncode != 0:
          returnstr = pout.stderr.decode("UTF-8").strip()
          print(
              "#[info] Error! This command has stopped working.(see below)", file=sys.stderr)
          print("#-----------", file=sys.stderr)
          print("#" + str(command), file=sys.stderr)
          print("#-----------", file=sys.stderr)
          print("#" + returnstr, file=sys.stderr)
          return returnstr, False
      else:
          returnstr = pout.stdout.decode("UTF-8").strip()
          print("#stdout:--------\n", returnstr)
          return returnstr, True
  
new_contents: #!/usr/bin/env python3
  # coding: utf-8
  import subprocess
  import sys
  
  
  def run(command):
      if isinstance(command, str):
          command = [command]
      elif isinstance(command, list):
          command = [*command]
      # pout = subprocess.run(["/bin/bash", "-c"] + [command],
      pout = subprocess.run(command,
                            stdout=subprocess.PIPE,
                            stderr=subprocess.PIPE,
                            )
      returnstr = ""
      if pout.returncode != 0:
          returnstr = "#[info] Error! This command has stopped working.(see below)\n"
          returnstr += pout.stderr.decode("UTF-8").strip()
          returnstr += "#" + str(command)
          return returnstr, False
      else:
          returnstr = pout.stdout.decode("UTF-8").strip()
          return returnstr, True
  
subject: return err message