view tests/sitecustomize.py @ 17917:12178f07de97

bookmark: issue a single call to `allsuccessors` per loop

Update to this code was minimalist when `allsuccessors` argument were changed
from a list to a set. As this code is getting my attention again I realised we
can drastically simplify this part of the code by issue a single call to
`allsuccessors`.

try:
    import coverage
    getattr(coverage, 'process_startup', lambda: None)()
except ImportError:
    pass