fix version issue

convlab2/dst/dstc9/utils.py

@@ -78,6 +78,11 @@ def extract_gt(test_data):
 
 # for unifying values with the same meaning to the same expression
 def unify_value(value, subtask):
+    if isinstance(value, list):
+        for i, v in enumerate(value):
+            value[i] = unify_value(v, subtask)
+        return value
+
     value = value.lower()
     value = {
         'multiwoz': {
@@ -132,7 +137,7 @@ def eval_states(gt, pred, subtask):
                     pred_value = unify_value(pred_domain[slot_name], subtask)
                     slot_tot += 1
 
-                    if gt_value == pred_value:
+                    if gt_value == pred_value or isinstance(gt_value, list) and pred_value in gt_value:
                         slot_acc += 1
                         if gt_value:
                             tp += 1