code: def __repr__(self):
      return f"dtypes.{'_'*(c:=self.sz!=1)}{INVERSE_DTYPES_DICT[self.name if not c else self.scalar().name]}{str(self.sz)*c}"
  
imports: from typing import Final, Optional, ClassVar, Set, Tuple, Dict
  from dataclasses import dataclass
  import numpy
  import functools
label_desc: Use image node_id 1 for calling the DType obj's underlying member method code with example usage: obj.__repr__() and returns: str, unknown, INVERSE_DTYPES_DICT, unknown