Resolve AttributeError within NicanError (#1806) #850

Job	Run time
docs	42s
format	14s
Packaging	17s
static-code-analysis	39s
test (ubuntu-latest, false, 3.8)	2m 49s
test (ubuntu-latest, false, 3.9)	2m 40s
test (ubuntu-latest, false, 3.10)	2m 48s
test (ubuntu-latest, false, 3.11)	2m 48s
test (ubuntu-latest, false, 3.12)	2m 47s
test (ubuntu-latest, false, pypy-3.8)	3m 18s
test (ubuntu-latest, false, pypy-3.9)	2m 57s
test (macos-latest, false, 3.10)	2m 8s
test (macos-latest, false, 3.11)	2m 35s
test (macos-latest, false, 3.12)	2m 3s
test (macos-latest, false, pypy-3.8)	3m 31s
test (macos-latest, false, pypy-3.9)	3m 35s
test (windows-latest, false, 3.8)	2m 5s
test (windows-latest, false, 3.9)	2m 12s
test (windows-latest, false, 3.10)	2m 21s
test (windows-latest, false, 3.11)	2m 13s
test (windows-latest, false, 3.12)	2m 23s
test (windows-latest, false, pypy-3.8)	5m 56s
test (windows-latest, false, pypy-3.9)	6m 18s
test (3.8, macos-13, false)	2m 6s
test (3.9, macos-13, false)	2m 5s
Release to PyPi	0s
coveralls	5s
	1h 3m 35s

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