code: def test_float(self):
      self.assertEqual(py_builtins.float_(10), 10.0)
      self.assertEqual(py_builtins.float_("10.0"), 10.0)
  
imports: import unittest
  from nvidia.dali._autograph.core import converter
  from nvidia.dali._autograph.core import function_wrappers
  from nvidia.dali._autograph.operators import py_builtins
label_desc: Use image node_id 2 for calling the PyBuiltinsTest obj's underlying member method code with example usage: obj.test_float() without return types