Why do switch-to-branch version-13-beta ask for github auth?

sudo bench switch-to-branch version-13-beta --upgrade


$ git remote set-branches upstream  '*'
$ git fetch --all --unshallow
Fetching upstream
Switching for frappe
$ git checkout version-13-beta
Already on 'version-13-beta'
Your branch is up to date with 'upstream/version-13-beta'.
LOG: Fetching upstream for erpnext_helper
$ git remote set-branches upstream  '*'
fatal: No such remote 'upstream'
$ git fetch --all
Fetching origin
Username for 

fatal: Authentication failed for 'https://github.com/gavindsouza/erpnext_helper/'

why does it try to pull from that external git repo?