code: def test_validate_timestamp_options(
      minimum_timestamp: Optional[float],
      maximum_timestamp: Optional[float],
  ):
      args = argparse.Namespace()
      args.minimum_timestamp = (
          str(minimum_timestamp)
          if minimum_timestamp is not None
          else None
      )
      args.maximum_timestamp = (
          str(maximum_timestamp)
          if maximum_timestamp is not None
          else None
      )
  
      # no error is raised
      # noinspection PyProtectedMember
      export._assert_max_timestamp_is_greater_than_min_timestamp(args)
  
imports: import argparse
  from pathlib import Path
  from typing import Callable, Optional, Text, List, Tuple
  from unittest.mock import Mock
  import pytest
  from _pytest.monkeypatch import MonkeyPatch
  from _pytest.pytester import RunResult
  import rasa.core.utils
  from rasa.cli import export
  from rasa.core.brokers.broker import EventBroker
  from rasa.core.brokers.pika import PikaEventBroker
  from rasa.shared.core.events import UserUttered
  from rasa.shared.core.trackers import DialogueStateTracker
  from rasa.exceptions import PublishingError, NoEventsToMigrateError
  from tests.conftest import MockExporter, random_user_uttered_event, write_endpoint_config_to_yaml, AsyncMock
  from tests.cli.conftest import RASA_EXE
label_desc: Use image node_id 2 for calling a global function with example usage: test_validate_timestamp_options(minimum_timestamp, maximum_timestamp) without return types