code: def __init__(self, in_channels, **kwargs):
      super().__init__()
      self.out_channels = in_channels
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import paddle
  from paddle import nn
  from ppocr.modeling.heads.rec_ctc_head import get_para_bias_attr
  from ppocr.modeling.backbones.rec_svtrnet import Block, ConvBNLayer, trunc_normal_, zeros_, ones_
label_desc: Use image node_id 1 to create a new Im2Seq object from inherited base classes: nn with example: obj = Im2Seq(in_channels)