altair.typing.ChannelYError2

altair.typing.ChannelYError2 = str | altair.vegalite.v6.schema.channels.YError2 | altair.vegalite.v6.schema.channels.YError2Value | ForwardRef('IntoCondition') | collections.abc.Mapping[str, typing.Any]

Represent a union type

E.g. for int | str