exo-explore/exo · error · ValueError

Invalid size: {v!r}. Must be one of {get_args(ImageSize)}

Error message

Invalid size: {v!r}. Must be one of {get_args(ImageSize)}

What it means

Error "Invalid size: {v!r}. Must be one of {get_args(ImageSize)}" thrown in exo-explore/exo.

Source

Thrown at src/exo/api/types/api.py:352

ImageSize = Literal[
    "auto",
    "512x512",
    "768x768",
    "1024x768",
    "768x1024",
    "1024x1024",
    "1024x1536",
    "1536x1024",
]


def normalize_image_size(v: object) -> ImageSize:
    """Shared validator for ImageSize fields: maps None → "auto" and rejects invalid values."""
    if v is None:
        return "auto"
    if v not in get_args(ImageSize):
        raise ValueError(f"Invalid size: {v!r}. Must be one of {get_args(ImageSize)}")
    return v  # pyright: ignore[reportReturnType]


class AdvancedImageParams(BaseModel):
    seed: Annotated[int, Field(ge=0)] | None = None
    num_inference_steps: Annotated[int, Field(ge=1, le=100)] | None = None
    guidance: Annotated[float, Field(ge=1.0, le=20.0)] | None = None
    negative_prompt: str | None = None
    num_sync_steps: Annotated[int, Field(ge=1, le=100)] | None = None


class ImageGenerationTaskParams(BaseModel):
    prompt: str
    background: str | None = None
    model: str
    moderation: str | None = None
    n: int | None = 1
    output_compression: int | None = None

View on GitHub (pinned to 21a54c5ea0)

When it happens

Trigger: Thrown at src/exo/api/types/api.py:352 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of exo-explore/exo@21a54c5ea0 (2026-08-26). Data as JSON: /api/errors/ee7222f48445196a. Report an issue: GitHub.