class_docstr: Sample collection base class with samples loaded from a list of in-memory paths.
class_docstr_tok: ["Sample","collection","base","class","with","samples","loaded","from","a","list","of","in-memory","paths","."]
code: def __len__(self):
      return len(self.samples)
  
imports: import os
  import io
  import csv
  import json
  import tarfile
  from pathlib import Path
  from functools import partial
  from .helpers import KILOBYTE, MEGABYTE, GIGABYTE, Interleaved, LenMap
  from .audio import Sample, AUDIO_TYPE_PCM, AUDIO_TYPE_OPUS, SERIALIZABLE_AUDIO_TYPES, get_loadable_audio_type_from_extension, write_wav
  from .io import open_remote, is_remote_path
label_desc: Use image node_id 3 for calling the SampleList obj's underlying member method code with example usage: obj.__len__() and returns: len