docstr: num_frames and frame_offset correctly specify the region of data
docstr_tok: ["num_frames","and","frame_offset","correctly","specify","the","region","of","data"]
code: def test_frame(self, frame_offset, num_frames):
      """num_frames and frame_offset correctly specify the region of data"""
      sample_rate = 8000
      audio_file = "test.wav"
      audio_path = self.get_temp_path(audio_file)
  
      original = get_wav_data("float32", num_channels=2)
      save_wav(audio_path, original, sample_rate)
      frame_end = (
          None if num_frames == -1 else frame_offset + num_frames
      )
      expected = original[:, frame_offset:frame_end]
  
      url = self.get_url(audio_file)
      with requests.get(url, stream=True) as resp:
          found, sr = self._load(
              Unseekable(resp.raw), frame_offset, num_frames
          )
  
      assert sr == sample_rate
      self.assertEqual(expected, found)
  
imports: import io
  import itertools
  import pathlib
  import tarfile
  from functools import partial
  from parameterized import parameterized
  from torchaudio._backend.ffmpeg import _parse_save_args
  from torchaudio._backend.utils import get_load_func
  from torchaudio._internal import module_utils
  from torchaudio_unittest.backend.dispatcher.sox.common import name_func
  from torchaudio_unittest.common_utils import disabledInCI, get_asset_path, get_wav_data, HttpServerMixin, load_wav, PytorchTestCase, save_wav, skipIfNoExec, skipIfNoFFmpeg, skipIfNoModule, sox_utils, TempDirMixin
  from .save_test import _convert_audio_file
label_desc: Use image node_id 2 for calling the TestFileObjectHttp obj's underlying member method code with example usage: obj.test_frame(frame_offset, num_frames) without return types