| 1234567891011121314151617 | from typing import Anyfrom core.tools.errors import ToolProviderCredentialValidationErrorfrom core.tools.provider.builtin.qrcode.tools.qrcode_generator import QRCodeGeneratorToolfrom core.tools.provider.builtin_tool_provider import BuiltinToolProviderControllerclass QRCodeProvider(BuiltinToolProviderController):    def _validate_credentials(self, credentials: dict[str, Any]) -> None:        try:            QRCodeGeneratorTool().invoke(user_id='',                                         tool_parameters={                                            'content': 'Dify 123 😊'                                        })        except Exception as e:            raise ToolProviderCredentialValidationError(str(e))
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