HKUDS/nanobot · error · ImageGenerationError

{missing_key_message}

Error message

{missing_key_message}

What it means

Error "{missing_key_message}" thrown in HKUDS/nanobot.

Source

Thrown at nanobot/providers/image_generation.py:382

    model_options = ("openai/gpt-5.4-image-2",)
    missing_key_message = (
        "OpenRouter API key is not configured. Set providers.openrouter.apiKey."
    )

    def _default_base_url(self) -> str:
        return "https://openrouter.ai/api/v1"

    async def generate(
        self,
        *,
        prompt: str,
        model: str,
        reference_images: list[str] | None = None,
        aspect_ratio: str | None = None,
        image_size: str | None = None,
    ) -> GeneratedImageResponse:
        if not self.api_key:
            raise ImageGenerationError(self.missing_key_message)

        content: str | list[dict[str, Any]]
        references = list(reference_images or [])
        if references:
            blocks: list[dict[str, Any]] = [{"type": "text", "text": prompt}]
            blocks.extend(
                {"type": "image_url", "image_url": {"url": image_path_to_data_url(path)}}
                for path in references
            )
            content = blocks
        else:
            content = prompt

        body: dict[str, Any] = {
            "model": model,
            "messages": [{"role": "user", "content": content}],
            "modalities": ["image", "text"],
            "stream": False,

View on GitHub (pinned to 42f37dc4c0)

When it happens

Trigger: Thrown at nanobot/providers/image_generation.py:382 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of HKUDS/nanobot@42f37dc4c0 (2026-08-26). Data as JSON: /api/errors/a3ae18e42aa9c031. Report an issue: GitHub.