Traceback (most recent call last):


 "/home/yanglu/anaconda3/lib/python3.7/site-packages/tqsdk/api.py", line 1567, in _notify_watcher


 "/home/yanglu/anaconda3/lib/python3.7/site-packages/tqsdk/channel.py", line 110, in __anext__


 "/home/yanglu/anaconda3/lib/python3.7/asyncio/queues.py", line 161, in get


 "/home/yanglu/anaconda3/lib/python3.7/site-packages/tqsdk/api.py", line 1157, in _call_soon


 "/home/yanglu/anaconda3/lib/python3.7/asyncio/base_events.py", line 687, in call_soon


 "/home/yanglu/anaconda3/lib/python3.7/asyncio/base_events.py", line 479, in _check_closed
RuntimeError: Event loop is closed

Traceback (most recent call last):


 "convert_onnx.py", line 65, in <module>

convert_onnx(opt)


 "convert_onnx.py", line 43, in convert_onnx

torch.onnx.export(model.module, dummy_input1, "model.onnx")


 "/home/unreal/anaconda3/envs/CenterTrack/lib/python3.6/site-packages/torch/onnx/__init__.py", line 148, in export

strip_doc_string, dynamic_axes, keep_initializers_as_inputs)


 "/home/unreal/anaconda3/envs/CenterTrack/lib/python3.6/site-packages/torch/onnx/utils.py", line 66, in export

dynamic_axes=dynamic_axes, keep_initializers_as_inputs=keep_initializers_as_inputs)


 "/home/unreal/anaconda3/envs/CenterTrack/lib/python3.6/site-packages/torch/onnx/utils.py", line 428, in _export

operator_export_type, strip_doc_string, val_keep_init_as_ip)
RuntimeError: ONNX export failed: Couldn't export Python operator _DCNv2
