add chunk size function

app.py

@@ -182,10 +182,12 @@ def summary_translate(src_text, temp_tgt_text, tgt_language, session_id):
         translation = generate_translation(prompt_style, prompt)
         translations.append(translation)
 
-    best, score = evaluate_candidates(src_text, translations, tgt_language, session_id)
-    if cand_list:
-        return best, score
-    return "", 0
+    try:
+        _, score = evaluate_candidates(src_text, translations, tgt_language, session_id)
+    except:
+        score = 0
+
+    return translations[0], score
 
 def plan2align_translate_text(text, session_id, model, tokenizer, device, src_language, task_language, max_iterations_value, threshold_value, good_ref_contexts_num_value, reward_model_type):
     result = translate_text(