/home/kash/pytorch/lib/python3.8/site-packages/torch/cuda/init.py:52: UserWarning: CUDA initialization: CUDA unknown error - this may be due to an incorrectly set up environment, e.g. changing env variable CUDA_VISIBLE_DEVICES after program start. Setting the available devices to be zero. (Triggered internally at  /pytorch/c10/cuda/CUDAFunctions.cpp:100.)
return torch._C._cuda_getDeviceCount() > 0
why is this  error showing…i dont know im beginner
CUDA Version: 11.0
Driver Version: 450.80.02