Attempt to patch #2139. #9329

Job	Run time
examples-rl (e10_drive)	5m 31s
base-tests (./cli)	2m 58s
examples-rl (e11_platoon)	2m 58s
benchmark (e10_drive)	3m 26s
benchmark (e11_platoon)	3m 18s
base-tests (./envision)	3m 18s
base-tests (./smarts/core --nb-exec-timeout 65536 --ignore=./smarts/core/tests/test_notebook.py)	4m 40s
base-tests (./smarts/env --ignore=./smarts/env/tests/test_rllib_hiway_env.py)	4m 44s
base-tests (./smarts/env/tests/test_rllib_hiway_env.py)	3m 9s
base-tests (./smarts/sstudio)	2m 52s
base-tests (./smarts/ray)	3m 14s
base-tests (./examples/tests/test_examples.py)	5m 58s
	46m 6s

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