[GitHub] [incubator-mxnet] cloudrivers commented on issue #15181: [Feature Request] Support ONNX export of MultiBox operators

[GitBox]

cloudrivers commented on issue #15181: [Feature Request] Support ONNX export of 
MultiBox operators
URL: 
https://github.com/apache/incubator-mxnet/issues/15181#issuecomment-571010495
 
 
   meet the same issue on aws sagemaker. it seams that the version of onnx in 
sagemaker's mxnet is 1.2.1. however, I tried to upgrade to 1.6.0. after that, 
the issue still occur.
   pip install onnx==1.6.0
   ---------------------------------------------------------------------------
   AttributeError                            Traceback (most recent call last)
   <ipython-input-4-e340aa08d30e> in <module>()
         1 # Invoke export model API. It returns path of the converted onnx 
model
   ----> 2 converted_model_path = onnx_mxnet.export_model(sym, params, 
[input_shape], np.float16, onnx_file, True)
         3 
         4 print(converted_model_path)
         5 #converted_model_path = my_onnx_mxnet.export_model(sym, params, 
[input_shape], np.float32, onnx_file, True)
   
   
~/anaconda3/envs/mxnet_p36/lib/python3.6/site-packages/mxnet/contrib/onnx/mx2onnx/export_model.py
 in export_model(sym, params, input_shape, input_type, onnx_file_path, verbose)
        81         onnx_graph = converter.create_onnx_graph_proto(sym_obj, 
params_obj, input_shape,
        82                                                        
mapping.NP_TYPE_TO_TENSOR_TYPE[data_format],
   ---> 83                                                        
verbose=verbose)
        84     elif isinstance(sym, symbol.Symbol) and isinstance(params, dict):
        85         onnx_graph = converter.create_onnx_graph_proto(sym, params, 
input_shape,
   
   
~/anaconda3/envs/mxnet_p36/lib/python3.6/site-packages/mxnet/contrib/onnx/mx2onnx/export_onnx.py
 in create_onnx_graph_proto(self, sym, params, in_shape, in_type, verbose)
       251                     initializer=initializer,
       252                     index_lookup=index_lookup,
   --> 253                     idx=idx
       254                 )
       255 
   
   
~/anaconda3/envs/mxnet_p36/lib/python3.6/site-packages/mxnet/contrib/onnx/mx2onnx/export_onnx.py
 in convert_layer(node, **kwargs)
        88         op = str(node["op"])
        89         if op not in MXNetGraph.registry_:
   ---> 90             raise AttributeError("No conversion function registered 
for op type %s yet." % op)
        91         convert_func = MXNetGraph.registry_[op]
        92         return convert_func(node, **kwargs)
   
   AttributeError: No conversion function registered for op type 
_contrib_MultiBoxPrior yet.
    

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