Will some dependencies changes causing the target onnx model different?

[acelyc111]

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Question

I used tf2onnx to convert a tensorflow to onnx, it converted and used normally.
Then I updated some packages like tensorflow, protobuf, after that I use tf2onnx to convert the same original tensorflow again, everything looks well.
Then I use polygraphy run to compare the result of the two onnx models, it outputs many differences.
My question is: is the differences a bug, how the differences caused in details.
Thanks!

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