update TemplateNLG to accept flatten dialog acts in unified format

convlab/nlg/template/multiwoz/nlg.py

@@ -11,6 +11,7 @@ from convlab.nlg import NLG
 from convlab.nlg.template.multiwoz.noise_functions import delete_random_token, random_token_permutation, spelling_noise
 from convlab.util.multiwoz.multiwoz_slot_trans import REF_SYS_DA
 from convlab.util import relative_import_module_from_unified_datasets
+from convlab.policy.rule.multiwoz.policy_agenda_multiwoz import unified_format, act_dict_to_flat_tuple
 
 reverse_da = relative_import_module_from_unified_datasets('multiwoz21', 'preprocess.py', 'reverse_da')
 
@@ -166,9 +167,9 @@ class TemplateNLG(NLG):
         Returns:
             generated sentence
         """
-        if isinstance(dialog_acts, dict):
-            # dialog acts are in the unified format
+        dialog_acts = unified_format(dialog_acts)
         dialog_acts = reverse_da(dialog_acts)
+        dialog_acts = act_dict_to_flat_tuple(dialog_acts)
         dialog_acts = self.noisy_dialog_acts(
             dialog_acts) if self.is_user else dialog_acts
         dialog_acts = self.sorted_dialog_act(dialog_acts)