code: def _class_defining_method(meth):  # pragma: no cover
      '''Gets the name of the class that defines meth.
  
      Adapted from
      http://stackoverflow.com/questions/3589311/get-defining-class-of-unbound-method-object-in-python-3/25959545#25959545.
      '''
      if inspect.ismethod(meth):
          for cls in inspect.getmro(meth.__self__.__class__):
              if cls.__dict__.get(meth.__name__) is meth:
                  return '{}.{}'.format(cls.__module__, cls.__name__)
          meth = meth.__func__
      if inspect.isfunction(meth):
          module = meth.__qualname__.split('.<locals>', 1)[0]
          cls = getattr(inspect.getmodule(meth), module.rsplit('.', 1)[0])
          if isinstance(cls, type):
              return '{}.{}'.format(cls.__module__, cls.__name__f _class_defining_method(meth):  # pragma: no cover
      '''Gets the name of the class that defines meth.
  
      Adapted from
      http://stackoverflow.com/questions/3589311/get-defining-class-of-unbound-method-object-in-python-3/25959545#25959545.
      '''
      if inspect.ismethod(meth):
          for cls in inspect.getmro(meth.__self__.__class__):
              if cls.__dict__.get(meth.__name__) is meth:
                  return '{}.{}'.format(cls.__module__, cls.__name__)
          meth = meth.__func__
      if inspect.isfunction(meth):
          module = meth.__qualname__.split('.<locals>', 1)[0]
          cls = getattr(inspect.getmodule(meth), module.rsplit('.', 1)[0])
          if isinstance(cls, type):
              return '{}.{}'.format(cls.__module__, cls.__name__)
docs: Gets the name of the class that defines meth.
  
      Adapted from
      http://stackoverflow.com/questions/3589311/get-defining-class-of-unbound-method-object-in-python-3/25959545#25959545.