code: def forward(self, x, targets=None):
      if self.mid_channels is None:
          predicts = self.fc(x)
      else:
          x = self.fc1(x)
          predicts = self.fc2(x)
  
      if self.return_feats:
          result = (x, predicts)
      else:
          result = predicts
      if not self.training:
          predicts = F.softmax(predicts, axis=2)
          result = predicts
  
      return result
  
file_path: PaddleOCR/ppocr/modeling/heads/rec_ctc_head.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import math
  import paddle
  from paddle import ParamAttr, nn
  from paddle.nn import functional
label_desc: Use image node_id 2 for calling the CTCHead obj's underlying member method code with example usage: obj.forward(x, targets) and returns: result