I use conda installation but since version ~0.3 I  follow the code  as it appears in github;
I got an error on git pull on master branch -
maybe its something dumb, or maybe that eigen module should not be pass locked
thanks
$ git pull
…
From https://github.com/pytorch/pytorch
89bf98a…e475d3e  master     -> origin/master
…
Fetching submodule third_party/eigen
Username for ‘https://github.com’: …
Password for …
remote: Invalid username or password.
fatal: Authentication failed for ‘https://github.com/RLovelett/eigen.git/ 1’