Error installing torch(1.9.0) with Cuda 11.1

I have Nvidia A6000. Itried to run command pip3 install torch==1.9.0+cu111 torchvision==0.10.0+cu111 torchaudio==0.9.0 -f https://download.pytorch.org/whl/torch_stable.html but i got following errors.

pip3 install torch==1.9.0+cu111 torchvision==0.10.0+cu111 torchaudio==0.9.0 -f torch-1.9.0+cu111-cp38-cp38-linux_x86_64.whl
Defaulting to user installation because normal site-packages is not writeable
Looking in links: torch-1.9.0+cu111-cp38-cp38-linux_x86_64.whl
Processing ./torch-1.9.0+cu111-cp38-cp38-linux_x86_64.whl
ERROR: Could not find a version that satisfies the requirement torchvision==0.10.0+cu111 (from versions: 0.1.6, 0.1.7, 0.1.8, 0.1.9, 0.2.0, 0.2.1, 0.2.2, 0.2.2.post2, 0.2.2.post3, 0.5.0, 0.6.0, 0.6.1, 0.7.0, 0.8.0, 0.8.1, 0.8.2, 0.9.0, 0.9.1, 0.10.0)
ERROR: No matching distribution found for torchvision==0.10.0+cu111

Hi, try to install Anaconda,create env and then run this command

conda install pytorch torchvision torchaudio cudatoolkit=11.1 -c pytorch -c nvidia

NOTE: ‘nvidia’ channel is required for cudatoolkit 11.1