code: def testVisualizerNoFailure(self):
      sample = read_sample(SIMPLE_SAMPLES.SAMPLE_SIMPLE1)
      network = syncnet(sample, 1.0, ccore=False)
  
      analyser = network.simulate(25, 5, solve_type.FAST, True)
      syncnet_visualizer.animate_cluster_allocation(sample, analyser)
  
imports: import unittest
  import matplotlib
  from pyclustering.nnet import initial_type, conn_represent, solve_type
  from pyclustering.cluster.tests.syncnet_templates import SyncnetTestTemplates
  from pyclustering.cluster.syncnet import syncnet, syncnet_visualizer
  from pyclustering.utils import read_sample
  from numpy import pi
  from pyclustering.samples.definitions import SIMPLE_SAMPLES
label_desc: Use image node_id 31 for calling the SyncnetUnitTest obj's underlying member method code with example usage: obj.testVisualizerNoFailure() without return types