Fix error when a shared event loop is unset #2282

Job	Run time
Run linters	1m 13s
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ubuntu - Python 3.10	51s
ubuntu - Python 3.9	1m 15s
ubuntu - Python 3.12	56s
ubuntu - Python 3.11	44s
ubuntu - Python 3.13	1m 11s
windows - Python 3.10	1m 25s
windows - Python 3.12	1m 48s
ubuntu - Python 3.14-dev	1m 0s
windows - Python 3.9	2m 7s
windows - Python 3.13	1m 39s
windows - Python 3.14-dev	2m 40s
windows - Python 3.11	1m 36s
Check	16s
Create GitHub release	27s
Publish packages to pypi.org	0s
Publish packages to test.pypi.org	0s
	19m 37s

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