[Chapel Merge] Missing import of os package

Branch: refs/heads/main
Revision: ef771ff
Author: jhh67
Link: Unavailable
Log Message:

Merge pull request #18979 from jhh67/missing-os

Missing import of os package

This caused "printchplenv --internal" to fail if CHPL_COMM=ofi, CHPL_LAUNCHER=mpirun4ofi,
and MPI_DIR was set.

[Reviewed by @mppf]

Modified Files:
M util/chplenv/chpl_libfabric.py

Compare: https://github.com/chapel-lang/chapel/compare/9838af68ca7c...ef771ff9bad2