class_docstr: uses min_removal to test PyAubio_IsValidVector 
class_docstr_tok: ["uses","min_removal","to","test","PyAubio_IsValidVector"]
code: def test_no_input(self):
      self.assertRaises(TypeError, min_removal)
  
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_wrong_fvec_input obj's underlying member method code with example usage: obj.test_no_input() without return types