code: def pickle_dump_load(ccore):
      dump_file_name = (
          tempfile.gettempdir() + os.sep + "test_dbscan_file.pkl"
      )
  
      sample = read_sample(SIMPLE_SAMPLES.SAMPLE_SIMPLE3)
      dbscan_instance = dbscan(sample, 0.7, 3, ccore)
      dbscan_instance.process()
  
      expected_clusters = dbscan_instance.get_clusters()
      expected_noise = dbscan_instance.get_noise()
      expected_encoding = dbscan_instance.get_cluster_encoding()
  
      dbscan_dump_file = open(dump_file_name, "wb")
      pickle.dump(dbscan_instance, dbscan_dump_file)
      dbscan_dump_file.close()
  
      dbscan_dump_file = open(dump_file_name, "rb")
      dbscan_instance = pickle.load(dbscan_dump_file)
      dbscan_dump_file.close()
  
      os.remove(dump_file_name)
  
      assertion.eq(expected_clusters, dbscan_instance.get_clusters())
      assertion.eq(expected_noise, dbscan_instance.get_noise())
      assertion.eq(
          expected_encoding, dbscan_instance.get_cluster_encoding()
      )
  
imports: import os
  import pickle
  import tempfile
  from random import random, shuffle
  from pyclustering.utils import read_sample, calculate_distance_matrix
  from pyclustering.cluster.dbscan import dbscan
  from pyclustering.tests.assertion import assertion
  from pyclustering.samples.definitions import SIMPLE_SAMPLES
  from pyclustering.samples import answer_reader
label_desc: Use image node_id 11 for calling the DbscanTestTemplates obj's underlying member method code with example usage: obj.pickle_dump_load(ccore) without return types