code: def find_spec(self, fullname, path=None, target=None):
      return machinery.ModuleSpec(fullname, self)
  
file_path: cpython/Lib/test/test_importlib/import_/test___loader__.py
imports: from importlib import machinery
  import unittest
  from test.test_importlib import util
label_desc: Use image node_id 1 for calling the SpecLoaderMock obj's underlying member method code with example usage: obj.find_spec(fullname, path, target) and returns: machinery