code: def test02_small_invalid_dimension2(self):
      index = HnswIndex(80)
      this_is_abnormal = False
      try:
          v = [random.gauss(0, 1) for z in xrange(100)]
          index.add_data(v)
          this_is_abnormal = True
      except:
          pass
      finally:
          del index
      self.assertFalse(this_is_abnormal)
  
imports: import unittest
  import random
  import os
  from n2 import HnswIndex
label_desc: Use image node_id 4 for calling the BasicTest obj's underlying member method code with example usage: obj.test02_small_invalid_dimension2() without return types