fix: Fix fl-corner2d example #669

Job	Run time
(Windows) Install package and run tests (3.10)	5m 41s
(Windows) Install package and run tests (3.10)	5m 41s
(Windows) Install package and run tests (3.10)	5m 41s
(Linux) Install package and run tests (3.10)	7m 33s
(Linux) Install package and run tests (3.10)	7m 33s
(Linux) Install package and run tests (3.10)	7m 33s
(Linux) Install package and run tests (3.11)	7m 33s
(Linux) Install package and run tests (3.11)	7m 33s
(Linux) Install package and run tests (3.11)	7m 33s
(MacOS) Install package and run tests (3.10)	18m 42s
(MacOS) Install package and run tests (3.10)	18m 42s
(MacOS) Install package and run tests (3.10)	18m 42s
(MacOS) Install package and run tests (3.11)	17m 38s
(MacOS) Install package and run tests (3.11)	17m 38s
(MacOS) Install package and run tests (3.11)	17m 38s
(Linux) Install package and run tests (3.12)	7m 59s
(Linux) Install package and run tests (3.12)	7m 59s
(Linux) Install package and run tests (3.12)	7m 59s
(MacOS) Install package and run tests (3.12)	11m 12s
(MacOS) Install package and run tests (3.12)	11m 12s
(MacOS) Install package and run tests (3.12)	11m 12s
(Windows) Install package and run tests (3.11)	5m 43s
(Windows) Install package and run tests (3.11)	5m 43s
(Windows) Install package and run tests (3.11)	5m 43s
(Windows) Install package and run tests (3.12)	5m 52s
(Windows) Install package and run tests (3.12)	5m 52s
(Windows) Install package and run tests (3.12)	5m 44s
	4h 23m 31s

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