Docs-fix: Pistonball #1161

Job	Run time
agilerl-tutorial-test (3.9, AgileRL)	14m 6s
agilerl-tutorial-test (3.10, AgileRL)	1m 33s
tutorial-test (3.8, Tianshou)	3m 15s
agilerl-tutorial-test (3.11, AgileRL)	1m 40s
tutorial-test (3.8, CustomEnvironment)	31s
tutorial-test (3.8, CleanRL)	5m 21s
tutorial-test (3.8, SB3/kaz)	4m 39s
tutorial-test (3.8, SB3/waterworld)	8m 16s
tutorial-test (3.8, SB3/test)	2m 5s
tutorial-test (3.9, Tianshou)	3m 16s
tutorial-test (3.9, CustomEnvironment)	28s
tutorial-test (3.9, CleanRL)	5m 43s
tutorial-test (3.9, SB3/kaz)	4m 27s
tutorial-test (3.9, SB3/waterworld)	7m 56s
tutorial-test (3.9, SB3/test)	2m 22s
tutorial-test (3.10, Tianshou)	3m 21s
tutorial-test (3.10, CustomEnvironment)	32s
tutorial-test (3.10, CleanRL)	1m 45s
tutorial-test (3.10, SB3/kaz)	4m 41s
tutorial-test (3.10, SB3/waterworld)	7m 55s
tutorial-test (3.10, SB3/test)	2m 0s
tutorial-test (3.11, Tianshou)	3m 11s
tutorial-test (3.11, CustomEnvironment)	34s
tutorial-test (3.11, CleanRL)	1m 58s
tutorial-test (3.11, SB3/kaz)	5m 9s
tutorial-test (3.11, SB3/waterworld)	7m 32s
tutorial-test (3.11, SB3/test)	2m 2s
	1h 46m 18s

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