update params

ai_single_response.py

@@ -111,7 +111,7 @@ def query_gpt_model(
     speaker=None,
     responder=None,
     resp_length=128,
-    resp_min=4,
+    resp_min=10,
     kparam=150,
     temp=0.75,
     top_p=0.65,
@@ -168,6 +168,7 @@ def query_gpt_model(
         return_as_list=True,
         use_cache=True,
         num_beams=beams,
+        num_return_sequences=1,
         early_stopping=True,
         # no_repeat_ngram_size=2,
     )