Class InvalidDiscriminator

pydantic/v1/errors.py:634–646

class InvalidDiscriminator(PydanticValueError):
    code = 'discriminated_union.invalid_discriminator'
    msg_template = (
        'No match for discriminator {discriminator_key!r} and value {discriminator_value!r} '
        '(allowed values: {allowed_values})'
    )

    def __init__(self, *, discriminator_key: str, discriminator_value: Any, allowed_values: Sequence[Any]) -> None:
        super().__init__(
            discriminator_key=discriminator_key,
            discriminator_value=discriminator_value,
            allowed_values=', '.join(map(repr, allowed_values)),
        )