Can't generate witness in the mnist_classifier.ipynb

[ArshanKhanifar]

Describe the bug

I'm following along with the mnist_classifier example. I've:

• trained the model
• exported as onnx, and generated an input.json
• generated settings
• calibrated
• compiled the circuit

Now I'm generating the witness file and looks like it's expecting a different schema for input.json

    res = ezkl.gen_witness(data_path, compiled_model_path, witness_path)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
RuntimeError: Failed to run generate witness: missing field `input_data` at line 1 column 16045215

Expected behaviors

Generate witness file

Steps to reproduce the bug

It's a ipynb so it's already got a step by step structure

Device and Operating System

OS:

Linux psrw0q28aigi 6.2.0-37-generic #38~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Thu Nov  2 18:01:13 UTC 2 x86_64 x86_64 x86_64 GNU/Linux

Device:
Nvidia a100 instance (overkill, I know)

[alexander-camuto]

Can you post your input.json file here please