code: def testScalar(self):
      f = ufunc_ext.BinaryCallable()
      assert_array_almost_equal(f(1.0, 3.0), 11.0)
      assert_array_almost_equal(f(3.0, 2.0), 12.0)
  
file_path: turicreate/src/external/boost/boost_1_68_0/libs/python/test/numpy/ufunc.py
imports: import ufunc_ext
  import unittest
  import numpy
  from numpy.testing.utils import assert_array_almost_equal
label_desc: Use image node_id 1 for calling the TestBinary obj's underlying member method code with example usage: obj.testScalar() without return types