Convert pytorch model to onnx file and onnx file to tensorflow model for better data serving in the app

[sumanismcse]

### When I tried to convert pytorch model to onnx file,This Happened:

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TypeError                                 Traceback (most recent call last)
<ipython-input-33-a9d25627b347> in <module>()
     10 # Export the trained model to ONNX
     11 dummy_input = Variable(torch.randn(1, 1, 28, 28)) # one black and white 28 x 28 picture will be the input to the model
---> 12 torch.onnx.export(trained_model, dummy_input, "sentiment.onnx")

9 frames
/usr/local/lib/python3.6/dist-packages/torch/nn/modules/module.py in _slow_forward(self, *input, **kwargs)
    529         tracing_state._traced_module_stack.append(self)
    530         try:
--> 531             result = self.forward(*input, **kwargs)
    532         finally:
    533             tracing_state.pop_scope()

TypeError: forward() missing 1 required positional argument: 'hidden'

###The same happened on the onnx file to tensorflow model:

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ModuleNotFoundError                       Traceback (most recent call last)
<ipython-input-34-a405ea78dbb6> in <module>()
      1 
----> 2 import onnx
      3 import warnings
      4 from onnx_tf.backend import prepare
      5 

ModuleNotFoundError: No module named 'onnx'

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[Padia-jay]

facing the same issue, anyone found any solutions?