code: def run_sample_module(module, params=[]):
      cmd = ["python"]
      cmd.append("-u")
      cmd.append("-m")
      cmd.append("samples.%s" % module)
      cmd.extend(params)
      return run_cmd(cmd)
  
imports: import csv
  import os
  import shutil
  import subprocess
  import tempfile
  import unittest
  import matplotlib
  from six.moves import xrange
  from pyalgotrade import dataseries
label_desc: Use image node_id 3 for calling a global function with example usage: run_sample_module(module, params) and returns: run_cmd