from typing import Any from core.tools.errors import ToolProviderCredentialValidationError from core.tools.provider.builtin.maths.tools.eval_expression import EvaluateExpressionTool from core.tools.provider.builtin_tool_provider import BuiltinToolProviderController class MathsProvider(BuiltinToolProviderController): def _validate_credentials(self, credentials: dict[str, Any]) -> None: try: EvaluateExpressionTool().invoke( user_id="", tool_parameters={ "expression": "1+(2+3)*4", }, ) except Exception as e: raise ToolProviderCredentialValidationError(str(e))