code: def test_hash_deterministic(self):
      x = numpy.random.randn(100)
      first_hash = self.rbp.hash_vector(x)[0]
      for k in range(100):
          self.assertEqual(first_hash, self.rbp.hash_vector(x)[0])
  
imports: import numpy
  import scipy
  import unittest
  from nearpy.hashes import RandomBinaryProjections, RandomDiscretizedProjections, PCABinaryProjections, PCADiscretizedProjections
label_desc: Use image node_id 3 for calling the TestRandomDiscretizedProjections obj's underlying member method code with example usage: obj.test_hash_deterministic() without return types