sed -i -e '/^import sys$/s/$/; sys.tracebacklimit = 0/' scripts/nixops
sed -i -e "/'keyFile'/s/'path'/'string'/" nixops/backends/__init__.py
sed -i -e '/^import sys$/s/$/; sys.tracebacklimit = 0/' scripts/nixops
sed -i -e "/'keyFile'/s/'path'/'string'/" nixops/backends/__init__.py