paddle2onnx报错，三个算子不支持ctc_align,im2sequence,lstm

[Smilty-z]

• 模型权重使用的是paddle1.8版本增训的，因客观原因，无法替换模型权重，所以尝试将paddle1.8转换成onnx
• Paddle2ONNX版本:0.7和1.1都试了
• 你的联系方式(Email/Wechat/Phone):
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  报错截图
  Paddle2ONNX==0.7
  There's 2 ops are not supported yet
  =========== ctc_align ===========
  =========== lstm ===========

Paddle2ONNX==1.1
[Paddle2ONNX] Start to parsing Paddle model...
[Paddle2ONNX] Oops, there are some operators not supported yet, including ctc_align,im2sequence,lstm,