code: def mish(x):
      """
      Apply the mish function element-wise:
      mish(x) = x * tanh(softplus(x)) = x * tanh(ln(1 + exp(x)))
      See additional documentation for mish class.
      Credit: https://github.com/digantamisra98/Mish
      """
      return MishFunction.apply(x)
  
imports: from collections import OrderedDict
  import torch
  from torch import nn
  from torch.nn import functional
  from .identity import Identity
label_desc: Use image node_id 8 for calling a global function with example usage: mish(x) and returns: MishFunction