code: def mish(a: TensorLikeType, inplace: bool = False) -> TensorLikeType:
      """
      Reference implementation of torch.nn.functional.mish
      """
  
      if inplace:
          raise NotImplementedError
      return a * torch.tanh(torch.nn.functional.softplus(a))
  
imports: import math
  from functools import wraps
  from typing import Callable, Optional, Union
  import torch
  import torch._prims
  import torch._prims_common
  import torch._refs
  from torch._decomp import register_decomposition
  from torch._prims_common import ELEMENTWISE_TYPE_PROMOTION_KIND, NumberType, ShapeType, TensorLike, TensorLikeType
  from torch._prims_common.wrappers import elementwise_type_promotion_wrapper, elementwise_unary_scalar_wrapper, out_wrapper
  from torch._refs import _make_inplace
label_desc: Use image node_id 11 for calling a global function with example usage: mish(a, inplace) and returns: unknown