is:issue is:open when I run cd external/YOLOX/ pip install -r requirements.txt && python setup.py develop，ImportError: cannot import name '_C' from 'yolox' (/TOPICTrack-main/external/YOLOX/yolox/__init__.py)

[wangtuo111]

@-V2:~/TOPICTrack-main/external/YOLOX$ python setup.py develop
Traceback (most recent call last):
File "setup.py", line 79, in
ext_modules=get_ext_modules(),
File "setup.py", line 52, in get_ext_modules
from yolox.layers import FastCOCOEvalOp
File "/TOPICTrack-main/external/YOLOX/yolox/layers/init.py", line 5, in
from .fast_coco_eval_api import COCOeval_opt
File "/TOPICTrack-main/external/YOLOX/yolox/layers/fast_coco_eval_api.py", line 13, in
from yolox import _C
ImportError: cannot import name '_C' from 'yolox' (/TOPICTrack-main/external/YOLOX/yolox/init.py)

[holmescao]

We have fixed the YOLOX installation problem, and please try again. Please do not hesitate to ask again if you have any problems.