code: def setUp(self):
      self._distances = np.zeros(1001)
      self._distances[500] = 100.0
      self._distances[1000] = 50.0
  
imports: import numpy
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import clustering_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 1 for calling the KMC2InitializationLargeTest obj's underlying member method code with example usage: obj.setUp() without return types