code: def is_evaluate_expr(self) -> bool:
      return self.name == "evaluate_expr"
  
imports: import functools
  import itertools
  from dataclasses import dataclass
  from typing import Any, Callable, Dict, List, Optional, Tuple, Union
  import torch
  import torch.utils._pytree
label_desc: Use image node_id 4 for calling the ShapeEnvEvent obj's underlying member method code with example usage: obj.is_evaluate_expr() and returns: unknown