diff --git a/src/transformers/trainer.py b/src/transformers/trainer.py
index ea5e25a128d5a3..0ba5c6948c713c 100755
--- a/src/transformers/trainer.py
+++ b/src/transformers/trainer.py
@@ -2892,10 +2892,7 @@ def _determine_best_metric(self, metrics, trial):
                     f"The available evaluation metrics are: {list(metrics.keys())}. Consider changing the `metric_for_best_model` via the TrainingArguments."
                 ) from exc
 
-            if self.args.greater_is_better:
-                operator = np.greater
-            else:
-                operator = np.less
+            operator = np.greater if self.args.greater_is_better else np.less
         else:
             metric_value = metrics["eval_loss"]
             operator = np.less