Hi,
We found this issue is related to the newer pip3 tool.
Please downgrade pip3 to v20.2.4, and try it again.
$ sudo pip3 install -U pip==20.2.4
$ sudo pip3 install --pre --extra-index-url https://developer.download.nvidia.com/compute/redist/jp/v43 tensorflow-gpu==1.15.0+nv19.12
Thanks.