code: def __hash__(self) -> int:
      return hash((self.func_expr, self.do_unnest))
  
imports: from __future__ import annotations
  from typing import Union
  from evadb.expression.abstract_expression import AbstractExpression
  from evadb.expression.function_expression import FunctionExpression
  from evadb.parser.alias import Alias
  from evadb.parser.select_statement import SelectStatement
  from evadb.parser.types import JoinType
label_desc: Use image node_id 6 for calling the TableValuedExpression obj's underlying member method code with example usage: obj.__hash__() and returns: hash