code: def storage_name(self) -> str:
      return re.findall("[A-Z][^A-Z]*", self.__class__.__name__)[
          -2
      ].lower()
  
imports: import re
  from typing import Iterable, overload, Tuple, List, Text, Union, Dict
  import numpy
  import pandas
  from qlib.log import get_module_logger
label_desc: Use image node_id 1 for calling the BaseStorage obj's underlying member method code with example usage: obj.storage_name() and returns: re