it looks like we don't control this when invoking an interpreter binary with

Executor.execute()

in

PythonInterpreter._from_binary_external()

, since

Executor

doesn't seem to have anything

sys.path

-related -- and it seems that if we expect this

EXTRAS_PY

to work, we need to be able to provide setuptools for that invocation as well? otherwise we get a

NonZeroExit