HKUDS/nanobot · error · RuntimeError

GitHub Copilot token exchange returned no token.

Error message

GitHub Copilot token exchange returned no token.

What it means

Error "GitHub Copilot token exchange returned no token." thrown in HKUDS/nanobot.

Source

Thrown at nanobot/providers/github_copilot_provider.py:230

            github_token = _load_github_token()
            if not github_token or not github_token.access:
                raise RuntimeError(
                    "GitHub Copilot is not logged in. Run: nanobot provider login github-copilot"
                )

            timeout = httpx.Timeout(20.0, connect=20.0)
            async with httpx.AsyncClient(timeout=timeout, follow_redirects=True, trust_env=True) as client:
                response = await client.get(
                    _resolve("NANOBOT_COPILOT_TOKEN_URL", DEFAULT_COPILOT_TOKEN_URL),
                    headers=_copilot_headers(github_token.access),
                )
                response.raise_for_status()
                payload = response.json()

            token = payload.get("token")
            if not token:
                raise RuntimeError("GitHub Copilot token exchange returned no token.")

            expires_at = payload.get("expires_at")
            if isinstance(expires_at, (int, float)):
                self._copilot_expires_at = float(expires_at)
            else:
                refresh_in = payload.get("refresh_in") or 1500
                self._copilot_expires_at = time.time() + int(refresh_in)
            self._copilot_access_token = str(token)
            return self._copilot_access_token

    async def _refresh_client_api_key(self) -> str:
        token = await self._get_copilot_access_token()
        client = await self._ensure_client()
        self.api_key = token
        cast(Any, client).api_key = token
        return token

    async def chat(

View on GitHub (pinned to 42f37dc4c0)

When it happens

Trigger: Thrown at nanobot/providers/github_copilot_provider.py:230 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/63a67985c7c41dd7. Report an issue: GitHub.