Enable isort check #1600

Job	Run time
run-tests (ubuntu-latest, 3.10.15, none)	10m 16s
check-code-format	2m 8s
run-tests (ubuntu-latest, 3.11, none)	10m 4s
run-tests (ubuntu-latest, 3.12, none)	9m 17s
run-tests (ubuntu-latest, 3.12, coqui_yes)	10m 50s
run-tests (ubuntu-latest, 3.12, openai_yes)	8m 30s
run-tests (macos-latest, 3.11, none)	16m 59s
run-tests (macos-latest, 3.12, none)	18m 59s
run-tests (macos-latest, 3.12, coqui_yes)	18m 20s
run-tests (macos-latest, 3.12, openai_yes)	17m 10s
run-tests (windows-latest, 3.11, none)	16m 34s
run-tests (windows-latest, 3.12, none)	11m 31s
run-tests (windows-latest, 3.12, coqui_yes)	14m 17s
run-tests (windows-latest, 3.12, openai_yes)	18m 9s
build-and-push-package	0s
	3h 3m 4s

Provide feedback