code: def test_pass_to_numpy(self):
      a = fvec(10)
      a[:] = 1.0
      b = a
      del a
      assert_equal(b, 1.0)
      c = fvec(10)
      c = b
      del b
      assert_equal(c, 1.0)
      del c
  
imports: import numpy
  from numpy.testing import TestCase, assert_equal, assert_almost_equal
  from aubio import fvec, zero_crossing_rate, alpha_norm, min_removal
  from aubio import float_type
label_desc: Use image node_id 1 for calling the aubio_fvec_test_memory obj's underlying member method code with example usage: obj.test_pass_to_numpy() without return types