added text streamer

app.py

@@ -1,4 +1,4 @@
-from backend import handle_query, build_index
+from backend import handle_query
 import gradio as gr
 
 

backend.py

@@ -83,12 +83,13 @@ def handle_query(query_str, chathistory):
         # Execute the query
         streaming_response = query_engine.query(query_str)
         
-        streaming_response.print_response_stream()
-
+        #streaming_response.print_response_stream()
         
         # Stream the response
+        outputs = []
         for text in streaming_response.response_gen:
-            yield text
+            outputs.append(text)
+            yield "".join(outputs)
           
         
     except Exception as e: