code: def test_reuse_worker_of_parallelize_range(self):
      rdd = self.sc.parallelize(range(20), 8)
      previous_pids = rdd.map(lambda x: os.getpid()).collect()
      current_pids = rdd.map(lambda x: os.getpid()).collect()
      for pid in current_pids:
          self.assertTrue(pid in previous_pids)
  
imports: import os
  import sys
  import tempfile
  import threading
  import time
  import unittest
  from py4j.protocol import Py4JJavaError
  from pyspark import SparkConf, SparkContext
  from pyspark.testing.utils import ReusedPySparkTestCase, PySparkTestCase, QuietTest, eventually
label_desc: Use image node_id 1 for calling the WorkerReuseTest obj's underlying member method code with example usage: obj.test_reuse_worker_of_parallelize_range() without return types