Exporting model to onnx using scripted model fails

I am trying to export ONNX model using torch.onnx.export(torch.jit.script(model), dynamo=False)

How can I figure out which tuples it can not lower. Model is very complex and most of the forward method returns tuples.

Error:

 File "/home/himalay.joriwal/.conda/envs/uat/lib/python3.11/site-packages/torch/onnx/__init__.py", line 375, in export
    export(
  File "/home/himalay.joriwal/.conda/envs/uat/lib/python3.11/site-packages/torch/onnx/utils.py", line 502, in export
    _export(
  File "/home/himalay.joriwal/.conda/envs/uat/lib/python3.11/site-packages/torch/onnx/utils.py", line 1564, in _export
    graph, params_dict, torch_out = _model_to_graph(
                                    ^^^^^^^^^^^^^^^^
  File "/home/himalay.joriwal/.conda/envs/uat/lib/python3.11/site-packages/torch/onnx/utils.py", line 1117, in _model_to_graph
    graph = _optimize_graph(
            ^^^^^^^^^^^^^^^^
  File "/home/himalay.joriwal/.conda/envs/uat/lib/python3.11/site-packages/torch/onnx/utils.py", line 581, in _optimize_graph
    _C._jit_pass_lower_all_tuples(graph)
RuntimeError: Couldn't lower all tuples