Fixed bug in _create_training_details

Fixed bug in _create_training_details that would throw error "KeyError: 'HyperParameters'" if the training job did have any as a parameter hyper parameters when the CreateTrainingJob API is called.

Author: chrivtho-github

src/sagemaker/model_card/model_card.py

@@ -957,7 +957,9 @@ def _create_training_details(training_job_data: dict, cls: "TrainingDetails", **
                 "hyper_parameters": [
                     HyperParameter(key, value)
                     for key, value in training_job_data["HyperParameters"].items()
-                ],
+                ]
+                if "HyperParameters" in training_job_data
+                else [],
             }
             kwargs.update({"training_job_details": TrainingJobDetails(**job)})
             instance = cls(**kwargs)