Minor bugfix metrics calculation.

Author: Marta

keras_wrapper/extra/evaluation.py

@@ -247,7 +247,7 @@ def multiclass_metrics(pred_list, verbose, extra_vars, split):
     # Compute accuracy
     top_n_accuracies = [3, 5]
     accuracy = sklearn_metrics.accuracy_score(y_gt, y_pred)
-    acc_top_n = []
+    acc_top_n = {}
     for topn in top_n_accuracies:
         acc_top_n[topn] = __top_k_accuracy(y_gt, y_pred, topn)
     # accuracy_balanced = sklearn_metrics.accuracy_score(y_gt, y_pred, sample_weight=sample_weights, )