cuda 10.1 and Mac Os 10.13.6

pperfectly installed Cuda 10.1.243, but it keeps throwing me this error that I cannot seem to fix:
CUDA Device Query (Runtime API) version (CUDART static linking)

cudaGetDeviceCount returned 35
-> CUDA driver version is insufficient for CUDA runtime version
Result = FAIL

$ nvcc --version
nvcc: NVIDIA ® Cuda compiler driver
Copyright © 2005-2019 NVIDIA Corporation
Built on Sun_Jul_28_19:14:47_PDT_2019
Cuda compilation tools, release 10.1, V10.1.243