class_docstr: Pair for ``None`` inputs.
class_docstr_tok: ["Pair","for","``","None","``","inputs","."]
code: def compare(self) -> None:
      if not (self.actual is None and self.expected is None):
          self._fail(
              AssertionError,
              f"None mismatch: {self.actual} is not {self.expected}",
          )
  
imports: import abc
  import cmath
  import collections.abc
  import contextlib
  import warnings
  from typing import Any, Callable, Collection, Dict, List, NoReturn, Optional, Sequence, Tuple, Type, Union
  import torch
label_desc: Use image node_id 2 for calling the NonePair obj's underlying member method code with example usage: obj.compare() without return types