diff --git a/ultralytics/engine/validator.py b/ultralytics/engine/validator.py index 5e0f0988c5..ff04a85135 100644 --- a/ultralytics/engine/validator.py +++ b/ultralytics/engine/validator.py @@ -119,6 +119,8 @@ class BaseValidator: self.args.plots &= trainer.stopper.possible_stop or (trainer.epoch == trainer.epochs - 1) model.eval() else: + if Path(self.args.model).suffix == ".yaml": + LOGGER.warning("WARNING ⚠️ validating an untrained model YAML will result in 0 mAP.") callbacks.add_integration_callbacks(self) model = AutoBackend( weights=model or self.args.model,