pytorch version is 1.1.0
error as follow:
Traceback (most recent call last):
File “/xxx/0_train_base.py”, line 295, in 
process(sys.argv[1], sys.argv[2], int(sys.argv[3]), sys.argv[4])
File “/xxx/0_train_base.py”, line 219, in process
torch.onnx.export(model, dummy_input, onnx_save_path, verbose=True)
File “/xxx/lib/python2.7/site-packages/torch/onnx/init.py”, line 25, in export
return utils.export(*args, **kwargs)
File “/xxx/lib/python2.7/site-packages/torch/onnx/utils.py”, line 131, in export
strip_doc_string=strip_doc_string)
File “/xxx/lib/python2.7/site-packages/torch/onnx/utils.py”, line 363, in _export
_retain_param_name, do_constant_folding)
File “/xxx/lib/python2.7/site-packages/torch/onnx/utils.py”, line 278, in _model_to_graph
_disable_torch_constant_prop=_disable_torch_constant_prop)
File “/xxx/lib/python2.7/site-packages/torch/onnx/utils.py”, line 188, in _optimize_graph
graph = torch._C._jit_pass_onnx(graph, operator_export_type)
File “/xxx/lib/python2.7/site-packages/torch/onnx/init.py”, line 50, in _run_symbolic_function
return utils._run_symbolic_function(*args, **kwargs)
File “/xxx/lib/python2.7/site-packages/torch/onnx/utils.py”, line 589, in _run_symbolic_function
return fn(g, *inputs, **attrs)
File “/xxx/lib/python2.7/site-packages/torch/onnx/symbolic.py”, line 130, in wrapper
args = [_parse_arg(arg, arg_desc) for arg, arg_desc in zip(args, arg_descriptors)]
File “/xxx/lib/python2.7/site-packages/torch/onnx/symbolic.py”, line 97, in _parse_arg
raise RuntimeError(“Unexpected node type: {}”.format(value.node().kind()))
RuntimeError: Unexpected node type: onnx::Div
How can I fix this bug?