Remove unused imports #1139

Job	Run time
Check Spelling	13s
pylint (py3.8)	3m 9s
Build docs	1m 33s
Code formatting (Black)	20s
pylint (py3.9)	3m 0s
pylint (py3.10)	3m 5s
pytest (py3.8/linux)	50s
pytest (py3.8/win64)	1s
pylint (py3.11)	2m 50s
pytest (py3.8/macos-x86_64)	1s
pylint (py3.12)	2m 52s
pytest (py3.8/macos)	1s
pytest (py3.9/linux)	1s
pytest (py3.9/win64)	1s
pytest (py3.9/macos-x86_64)	1s
pytest (py3.9/macos)	1s
pytest (py3.10/linux)	3m 50s
pytest (py3.10/win64)	2m 3s
pytest (py3.10/macos-x86_64)	1s
pytest (py3.10/macos)	4s
pytest (py3.11/linux)	3m 42s
pytest (py3.11/win64)	1m 42s
pytest (py3.11/macos-x86_64)	1s
pytest (py3.11/macos)	1s
pytest (py3.12/linux)	1m 34s
pytest (py3.12/win64)	38s
pytest (py3.12/macos-x86_64)	1s
pytest (py3.12/macos)	1s
Upload coverage report (Codecov)	1s
	31m 38s

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