code: def scores(path):
      bashCommand = "perl conlleval"
      process = subprocess.Popen(
          bashCommand.split(), stdout=subprocess.PIPE, stdin=open(path)
      )
      output, error = process.communicate()
      output = output.decode().split("\n")[1].split("%; ")
      output = [out.split(" ")[-1] for out in output]
      acc, prec, recall, fb1 = tuple(output)
      return float(acc), float(prec), float(recall), float(fb1)
  
label_desc: Use image node_id 1 for calling a global function with example usage: scores(path) and returns: float,  float,  float,  float