#!/usr/bin/env python
import onnx
import onnx.parser

modeltxt = """
<
   ir_version: 10,
   opset_import: ["" : 17]
>
graph (float16[3] in0, int32[2] in1, float16[7,8,8,8] in2, int32[8,1,7,2] in3) => () {
   out0 = STFT (in0, in1, in2, in3)
}
"""

model = onnx.parser.parse_model(modeltxt)
print("Parser: Passed")
onnx.checker.check_model(model, full_check=True)
print("Checker: Passed")
onnx.shape_inference.infer_shapes(model)

Parser: Passed
[1]    187375 segmentation fault  ./repro_bug.py