Merge pull request #1249 from mulkieran/sim-engine-return-opp-error #2238

Job	Run time
python-checks (black python3-isort, PATH=${PATH}:/github/home/.local/bin PYTHONPATH=./src make -f...	24s
check-typos	39s
python-checks (bandit libatomic monkeytype pylint python3-dateutil python3-dbus-client-gen python...	41s
test-runs (3.13)	12m 57s
test-runs (3.12)	12m 58s
coverage-runs	23m 49s
	51m 28s

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