Fix encoder-decoder ONNX merge (#924)
* fix encoder decoder merge
* document strict
* Update optimum/onnx/transformations_utils.py
Co-authored-by: Michael Benayoun <mickbenayoun@gmail.com>
* Update optimum/onnx/transformations_utils.py
Co-authored-by: Michael Benayoun <mickbenayoun@gmail.com>
* Update optimum/onnx/transformations_utils.py
Co-authored-by: Michael Benayoun <mickbenayoun@gmail.com>
* fix on suggestions
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Co-authored-by: Michael Benayoun <mickbenayoun@gmail.com>