class_docstr: Class for loading data with batches 
class_docstr_tok: ["Class","for","loading","data","with","batches"]
code: def _extract_files_paths(self):
      all_files = []
      for root, dirs, files in os.walk(self.path):
          files_paths = []
          for name in files:
              if not name.startswith("."):
                  whole_file_path = os.path.join(root, name)
                  files_paths.append(whole_file_path)
  
          if files:
              all_files.extend(files_paths)
      self._load_to_meta_df(all_files)
  
imports: import glob
  import json
  import os
  from abc import ABC, abstractmethod
  import pandas
label_desc: Use image node_id 3 for calling the BatchLoader obj's underlying member method code with example usage: obj._extract_files_paths() without return types