code: def get_object(self, key, byte_range):
      return MockObject(self.obj_dict, key, byte_range)
  
imports: import time
  from io import BytesIO
  import pytest
  from ....None import dataframe
  from ....tests.core import mock
  from ..None import oss
  from .._oss_lib import glob
  from .._oss_lib.common import OSSFileEntry
  from ..oss import build_oss_path
label_desc: Use image node_id 4 for calling the SideEffectBucket obj's underlying member method code with example usage: obj.get_object(key, byte_range) and returns: MockObject