error CUDA extension for cauchy multiplication not found. Install by going to extensions/cauchy/ and running `python setup.py install`. This should speed up end-to-end training by 10-50%

[sriyachakravarthy]

hi,
i am getting the following error even after following installation steps given in this repo:
CUDA extension for cauchy multiplication not found. Install by going to extensions/cauchy/ and running python setup.py install. This should speed up end-to-end training by 10-50%
can someone help