```bash: gitcheckout: command not found
chris@debian:~/dev/qtpyvcp-master/qtpyvcp$ git checkout upstream SortTT
error: pathspec 'upstream' did not match any file(s) known to git.
error: pathspec 'SortTT' did not match any file(s) known to git.
chris@debian:~/dev/qtpyvcp-master/qtpyvcp$ 

```