BUG: missing error on name without leading / #4275

Job	Run time
pytest on windows	4m 58s
Build & verify package	13s
Check code style issues	23s
pytest on 3.7 (crypto-lib: cryptography)	3m 21s
pytest on 3.8 (crypto-lib: cryptography)	3m 34s
pytest on 3.9 (crypto-lib: cryptography)	3m 32s
pytest on 3.10 (crypto-lib: cryptography)	3m 34s
pytest on 3.11 (crypto-lib: cryptography)	3m 19s
pytest on 3.12 (crypto-lib: cryptography)	3m 35s
pytest on 3.7 (crypto-lib: pycryptodome)	3m 35s
pytest on 3.7 (crypto-lib: none)	3m 18s
Combine & check coverage.	0s
	33m 22s

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