code: def load_test_csv(path):
      inputSeq = []
      expectedSeq = []
      csvFile = open(path, "r")
      reader = csv.DictReader(csvFile)
      for row in reader:
          inputSeq.append(float(row["Input"]))
          expected = row["Expected"]
          if not expected:
              expected = None
          else:
              expected = float(expected)
          expectedSeq.append(expected)
  
      return inputSeq, expectedSeq
  
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 9 for calling a global function with example usage: load_test_csv(path) and returns: inputSeq,  expectedSeq