deepseek-ai / deepseek-ai/DeepEP

Undefined Symbol: THPStream_Wrap

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Description

> Traceback (most recent call last):
File "/home/littsk/kato/workspace/cuda-library/deepep/tests/test_low_latency.py", line 7, in
import deep_ep
File "/home/littsk/kato/workspace/cuda-library/deepep/build/__editable__.deep_ep-1.1.0+92671e4-cp312-cp312-linux_x86_64/deep_ep/__init__.py", line 3, in
from .utils import EventOverlap
File "/home/littsk/kato/workspace/cuda-library/deepep/build/__editable__.deep_ep-1.1.0+92671e4-cp312-cp312-linux_x86_64/deep_ep/utils.py", line 8, in
from deep_ep_cpp import Config, EventHandle
ImportError: /home/littsk/kato/workspace/cuda-library/deepep/build/__editable__.deep_ep-1.1.0+92671e4-cp312-cp312-linux_x86_64/deep_ep_cpp.cpython-312-x86_64-linux-gnu.so: undefined symbol: _Z14THPStream_WrapRKN3c106StreamE

Hi~I encountered with the undefined symbol `THPStream_Wrap`, which seems related to torch's `c10::Stream` and `THPStream`.

env: ngc-2502 | sm90

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