code: def forward(self, x):
      if self.activated:
          x = x * (paddle.tanh(F.softplus(x)))
      return x
  
imports: import math
  import paddle
  import paddle.nn.functional
  from paddle import nn
  from collections import OrderedDict
  import sys
  import numpy
  import warnings
  import math, copy
  import cv2
  from .tps_spatial_transformer import TPSSpatialTransformer
  from .stn import STN
  from ppocr.modeling.heads.sr_rensnet_transformer import Transformer
label_desc: Use image node_id 2 for calling the mish obj's underlying member method code with example usage: obj.forward(x) and returns: x