code: def __str__(self) -> str:
      return (
          f'can not match type "{_name(type(self.value))}" to any type '
          f'of "{self.field_path}" union: {_name(self.field_type)}'
      )
  
imports: from typing import Any, Type, Optional, Set, Dict
label_desc: Use image node_id 1 for calling the UnionMatchError obj's underlying member method code with example usage: obj.__str__() and returns: str, _name, str, self, str, _name