avoid unhandled error on some invalid paths #2508

Job	Run time
build (ubuntu-latest, 3.8)	5m 30s
Check Links	5m 22s
check_release	2m 16s
integration_check (ubuntu-latest, 3.8)	2m 17s
integration_check_pypy	1m 32s
integration_check (ubuntu-latest, 3.9)	2m 20s
Make SDist	27s
build (ubuntu-latest, 3.11)	5m 11s
integration_check (ubuntu-latest, 3.10)	2m 12s
Test Docs	1m 13s
build (windows-latest, 3.8)	9m 24s
integration_check (ubuntu-latest, 3.11)	2m 21s
build (windows-latest, 3.11)	9m 14s
Test Examples	47s
build (macos-latest, 3.8)	5m 45s
Test Lint	1m 0s
build (macos-latest, 3.11)	5m 50s
Test Minimum Versions	5m 24s
build (windows-latest, 3.9)	13m 39s
Test Prereleases	3m 53s
build (ubuntu-latest, pypy-3.8)	8m 31s
build (macos-latest, 3.10)	8m 47s
build (ubuntu-latest, 3.12)	6m 21s
Install from SDist and Test	3m 56s
coverage	9s
tests_check	3s
	1h 53m 24s

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