docstr: 把数据加载为一个list：
  :params data_path: 存储数据的文件夹或者文件
  return a dict ,包含了，'img_path','img_name','text_polys','texts','ignore_tags'
docstr_tok: ["\u628a\u6570\u636e\u52a0\u8f7d\u4e3a\u4e00\u4e2alist\uff1a",":","params","data_path",":","\u5b58\u50a8\u6570\u636e\u7684\u6587\u4ef6\u5939\u6216\u8005\u6587\u4ef6","return","a","dict",",","\u5305\u542b\u4e86\uff0c'img_path","'",",","'img_name","'",",","'text_polys","'",",","'texts","'",",","'ignore_tags","'"]
code: def load_data(self, data_path: str) -> list:
      """
      把数据加载为一个list：
      :params data_path: 存储数据的文件夹或者文件
      return a dict ,包含了，'img_path','img_name','text_polys','texts','ignore_tags'
      """
      raise NotImplementedError
  
file_path: PaddleOCR/benchmark/PaddleOCR_DBNet/base/base_dataset.py
imports: import copy
  from paddle.io import Dataset
  from data_loader.modules import *
label_desc: Use image node_id 3 for calling the BaseDataSet obj's underlying member method code with example usage: obj.load_data(data_path) without return types