paddledetection旋转框安装ext_op后测试报错

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(paddledetection) s@xxx:~/PaddleDetection-release-2.8/ppdet/ext_op$ python unittest/test_matched_rbox_iou.py /home/s/miniforge3/envs/paddledetection/lib/python3.9/site-packages/paddle/utils/cpp_extension/extension_utils.py:711: UserWarning: No ccache foun d. Please be aware that recompiling all source files may be required. You can download and install ccache from: https://github.com/ccache/ccache/blob/master/doc/INSTALL.md warnings.warn(warning_message) Traceback (most recent call last): File "/home/s/PaddleDetection-release-2.8/ppdet/ext_op/unittest/test_matched_rbox_iou.py", line 8, in from ext_op import matched_rbox_iou ImportError: dynamic module does not define module export function (PyInit_ext_op)

CUDA：11.8
python:3.9
paddledetection:2.8
paddlepaddle:3.0
Ubuntu:22.04
gcc:11.4

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