code: def test_cluster_allocation_simple01_one_cluster(self):
      fcm_test_template.cluster_allocation(
          SIMPLE_SAMPLES.SAMPLE_SIMPLE1, [[3.7, 5.5]], 2.0, [10], False
      )
  
imports: import unittest
  import matplotlib
  from pyclustering.cluster.tests.fcm_templates import fcm_test_template
  from pyclustering.cluster.fcm import fcm
  from pyclustering.samples.definitions import SIMPLE_SAMPLES, FAMOUS_SAMPLES, FCPS_SAMPLES
label_desc: Use image node_id 2 for calling the fcm_unit_tests obj's underlying member method code with example usage: obj.test_cluster_allocation_simple01_one_cluster() without return types