code: def setUp(self):
      super(SOFMTestCase, self).setUp()
      self.weight = np.array(
          [
              [0.65091234, -0.52271686, 0.56344712],
              [-0.13191953, 2.43582716, -0.19703619],
          ]
      )
  
imports: import math
  import numpy
  from neupy import algorithms
  from neupy.exceptions import WeightInitializationError
  from neupy.algorithms.competitive import sofm
  from neupy.algorithms.competitive.neighbours import gaussian_df
  from base import BaseTestCase
label_desc: Use image node_id 1 for calling the SOFMTestCase obj's underlying member method code with example usage: obj.setUp() without return types