class_docstr: pvoc object test case 
class_docstr_tok: ["pvoc","object","test","case"]
docstr: check the resynthesis of a sine is correct 
docstr_tok: ["check","the","resynthesis","of","a","sine","is","correct"]
code: def test_resynth_steps_sine(self, samplerate, hop_s, ratio, freq):
      """check the resynthesis of a sine is correct"""
      sigin = create_sine(hop_s, freq, samplerate)
      self.reconstruction(sigin, hop_s, ratio)
  
imports: from numpy.testing import TestCase, assert_equal, assert_array_less
  from _tools import parametrize, skipTest
  from aubio import fvec, cvec, pvoc, float_type
  import numpy
label_desc: Use image node_id 7 for calling the Test_aubio_pvoc_test_case obj's underlying member method code with example usage: obj.test_resynth_steps_sine(samplerate, hop_s, ratio, freq) without return types