code: def __init__(self, mts: MockTokenStore) -> None:
      self._mts = mts
  
imports: import contextlib
  import os
  from typing import Any, Iterator, List, Optional, cast
  import responses
  from responses import registries
  import determined
  from determined.common.api import authentication
label_desc: Use image node_id 1 to create a new MockTokenStoreInstance object  with example: obj = MockTokenStoreInstance(mts)