After conda install pytorch torchvision cudatoolkit=10.2 -c pytorch-nightly
I got :
The following NEW packages will be INSTALLED:
_pytorch_select    pkgs/main/linux-64::_pytorch_select-0.1-cpu_0
cudatoolkit        pkgs/main/linux-64::cudatoolkit-10.2.89-hfd86e86_1
ninja              pkgs/main/linux-64::ninja-1.9.0-py37hfd86e86_0
pytorch            pkgs/main/linux-64::pytorch-1.3.1-cpu_py37h62f834f_0
torchvision        pkgs/main/linux-64::torchvision-0.4.2-cpu_py37h9ec355b_0
Why the nightly version is 1.3.1?