Update src/chatbot.py

src/chatbot.py

@@ -168,14 +168,17 @@ class BioethicsChatbot:
         """
 
         self.stream_handler.current_text = ""
+        
+        if stream_placeholder:
+            self.stream_handler.placeholder = stream_placeholder
 
-        _ = self.llm.invoke(prompt)  # streaming happens here
-        print()  # newline after streaming
-
+        # streaming happens here
+        _ = self.llm.invoke(prompt)
+    
         answer = self.stream_handler.get_text()
         self.history.append((question, answer))
-
         return answer
 
 
 
+