| 12345678910111213141516171819202122232425 | from typing import Anyfrom core.tools.errors import ToolProviderCredentialValidationErrorfrom core.tools.provider.builtin.stepfun.tools.image import StepfunToolfrom core.tools.provider.builtin_tool_provider import BuiltinToolProviderControllerclass StepfunProvider(BuiltinToolProviderController):    def _validate_credentials(self, credentials: dict[str, Any]) -> None:        try:            StepfunTool().fork_tool_runtime(                runtime={                    "credentials": credentials,                }            ).invoke(                user_id="",                tool_parameters={                    "prompt": "cute girl, blue eyes, white hair, anime style",                    "size": "256x256",                    "n": 1,                },            )        except Exception as e:            raise ToolProviderCredentialValidationError(str(e))
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