Raise TraitError for validation error in PrefixList.__init__ #1144
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Closes #1138
This PR makes sure
PrefixList.__init__
raisesTraitError
for what is exactly a validation error.I'd have wanted to use
value_for
like in #1139, however that change did not turn out to be as trivial as I hoped, so I will have to dig a bit to see if something else is wrong.Checklist
Update API reference (docs/source/traits_api_reference
)Update User manual (docs/source/traits_user_manual
)Update type annotation hints intraits-stubs