added text from the stream from TIS into a 'result' list

app.py

@@ -144,12 +144,12 @@ async def bot_comms(message, history):
             history=history,
         )
         if isinstance(stream, TextIteratorStreamer):
-            buffer = ""
+            results = []
             for new_text in stream:
                 if "" in new_text:
                     new_text = new_text.split("")[0]
-                buffer += new_text
-                yield buffer
+                results.append(new_text)
+            yield "".join(results)
         else:
             gpt_outputs = []
             for chunk in stream: