add chunk function

app.py

@@ -264,7 +264,7 @@ def mpc_translation(text, src_language, target_language, iterations, session_id)
 # ---------- Gradio function ----------
 
 def process_text(text, src_language, target_language, max_iterations_value, threshold_value,
-                 good_ref_contexts_num_value, translation_methods=None, state=None):
+                 good_ref_contexts_num_value, translation_methods=None, chunk_size=-1, state=None):
     
     translation_methods = translation_methods or ["Original", "Plan2Align"]
     session_id = get_user_session(state)