code: def testClusterAllocationOneDimensionDataSampleSimple7AsSom(self):
      self.templateLengthProcessData(
          SIMPLE_SAMPLES.SAMPLE_SIMPLE7, [1, 2], 1.0, 0.999, [10, 10]
      )
  
imports: import unittest
  import matplotlib
  from pyclustering.cluster.syncsom import syncsom
  from pyclustering.utils import read_sample
  from pyclustering.samples.definitions import SIMPLE_SAMPLES
label_desc: Use image node_id 12 for calling the SyncsomUnitTest obj's underlying member method code with example usage: obj.testClusterAllocationOneDimensionDataSampleSimple7AsSom() without return types