mac3 can't find pip #24755
Description
+ export PATH=/Users/worker/.cargo/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin
+ PATH=/Users/worker/.cargo/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin
+ export PATH=/Users/worker/tasks/task_1573855606/sccache/sccache-0.2.7-x86_64-apple-darwin:/Users/worker/.cargo/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin
+ PATH=/Users/worker/tasks/task_1573855606/sccache/sccache-0.2.7-x86_64-apple-darwin:/Users/worker/.cargo/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin
+ ls
generic-worker
sccache
+ export PATH=/Users/worker/.cargo/bin:/Users/worker/tasks/task_1573855606/sccache/sccache-0.2.7-x86_64-apple-darwin:/Users/worker/.cargo/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin
+ PATH=/Users/worker/.cargo/bin:/Users/worker/tasks/task_1573855606/sccache/sccache-0.2.7-x86_64-apple-darwin:/Users/worker/.cargo/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin
+ which rustup
/Users/worker/.cargo/bin/rustup
+ export PATH=/Users/worker/Library/Python/2.7/bin:/Users/worker/.cargo/bin:/Users/worker/tasks/task_1573855606/sccache/sccache-0.2.7-x86_64-apple-darwin:/Users/worker/.cargo/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin
+ PATH=/Users/worker/Library/Python/2.7/bin:/Users/worker/.cargo/bin:/Users/worker/tasks/task_1573855606/sccache/sccache-0.2.7-x86_64-apple-darwin:/Users/worker/.cargo/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin
+ python -m ensurepip --user
Ignoring indexes: https://pypi.python.org/simple
Requirement already satisfied (use --upgrade to upgrade): setuptools in /System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python
Requirement already satisfied (use --upgrade to upgrade): pip in /Library/Python/2.7/site-packages/pip-19.1.1-py2.7.egg
+ pip install --user virtualenv
/bin/bash: line 10: pip: command not found
Observed in #24732 (https://community-tc.services.mozilla.com/tasks/U-gcROzjRkOjYuRqL_iV3Q). Probably fallout from the recent homebrew changes?
cc @SimonSapin