code: def testDynamicLengthNoneConnection(self):
      PcnnTestTemplates.templateDynamicLength(
          10, 20, conn_type.NONE, conn_represent.MATRIX, [0] * 10, False
      )
  
imports: import unittest
  from pyclustering.nnet.tests.pcnn_templates import PcnnTestTemplates
  from pyclustering.nnet import conn_type, conn_represent
label_desc: Use image node_id 1 for calling the PcnnUnitTest obj's underlying member method code with example usage: obj.testDynamicLengthNoneConnection() without return types