global-jjb v0.25.2 introduces an issue on ARM ubuntu nodes. This is currently blocking project development.

```17:36:48 + python -m pip install --user --quiet --upgrade pip
17:36:58 + python -m pip install --user --quiet --upgrade setuptools
17:37:07 + python -m pip install --user --quiet --upgrade -r /tmp/requirements-dN2H.txt```

Breaks pip
```17:43:47 + pip freeze
17:43:47 Traceback (most recent call last):
17:43:47 File "/usr/bin/pip", line 9, in <module>
17:43:47 from pip import main
17:43:47 ImportError: cannot import name main```