BUG: Index allows one item to be `list` among others that are not #23928

Job	Run time
Linux-32-bit	18m 37s
Linux-Musl	15m 26s
Pyodide build	23m 24s
python-dev	-1s
macos-14 actions-312.yaml	26m 43s
windows-latest actions-313.yaml	39m 55s
windows-latest actions-311.yaml	37m 21s
macos-13 actions-310.yaml	34m 39s
macos-14 actions-313.yaml	26m 8s
macos-14 actions-310.yaml	31m 27s
macos-13 actions-311.yaml	28m 57s
windows-latest actions-312.yaml	38m 35s
windows-latest actions-310.yaml	35m 32s
macos-13 actions-312.yaml	40m 34s
macos-14 actions-311.yaml	27m 7s
macos-13 actions-313.yaml	34m 45s
ubuntu-24.04 actions-311.yaml	42m 26s
ubuntu-24.04-arm actions-312.yaml	35m 45s
ubuntu-24.04 actions-312.yaml	43m 44s
Locale: it_IT	24m 18s
ubuntu-24.04-arm actions-313.yaml	35m 51s
Pypy	1m 26s
ubuntu-24.04 actions-310.yaml	46m 6s
Numpy Dev	16m 37s
Locale: zh_CN	23m 45s
Pyarrow Nightly	21m 15s
ubuntu-24.04-arm actions-311.yaml	36m 47s
Downstream Compat	5m 24s
Freethreading	21m 39s
Minimum Versions	22m 57s
Future infer strings (without pyarrow)	39m 33s
Future infer strings	45m 52s
ubuntu-24.04 actions-313.yaml	47m 52s
ubuntu-24.04-arm actions-310.yaml	39m 24s
	16h 49m 50s

Provide feedback