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[bug] importONNXNetwork fails to open file if path depends on "Add to Path" folder

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tesarj13
tesarj13 on 13 Nov 2018
Answered: Don Mathis on 15 Nov 2018
I added my folder "nnets" to path (from context menu) and tryed to import onnx network with:
%not working
net = importONNXNetwork('MNIST_99.29.onnx','OutputLayerType', 'classification','classnames',{'0', '1', '2', '3', '4', '5' ,'6', '7', '8', '9'});
MNIST_99.29.onnx is in "nnets" folder. I got error:
Error using onnxmex
Opening file 'MNIST_99.29.onnx' failed.
Error in nnet.internal.cnn.onnx.ModelProto (line 31)
ModelPtr = onnxmex(int32(FuncName.EdeserializeFromFile), filename);
Error in nnet.internal.cnn.onnx.importONNXNetwork (line 8)
m = nnet.internal.cnn.onnx.ModelProto(Filename);
Error in importONNXNetwork (line 53)
Network = nnet.internal.cnn.onnx.importONNXNetwork(ModelFile, varargin{:});
Error in MNIST_test (line 112)
net = importONNXNetwork('MNIST_99.29.onnx','OutputLayerType', 'classification','classnames',{'0', '1', '2', '3', '4', '5' ,'6', '7', '8', '9'});
Specifiing path helped:
%working
net = importONNXNetwork('nnets/MNIST_99.29.onnx','OutputLayerType', 'classification','classnames',{'0', '1', '2', '3', '4', '5' ,'6', '7', '8', '9'});
MATLAB 2018b, also tested on 2018a. Windows 10.

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Accepted Answer

Don Mathis
Don Mathis on 15 Nov 2018
This is a know limitation that is planned to be fixed in an upcoming ONNX support package release.
Thanks

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