file added

app.py

@@ -234,8 +234,7 @@ def customLLMBot(user_input, uploaded_image, chat_history):
         medical_entities = extract_medical_entities(user_input)
         logger.info(f"Extracted medical entities: {medical_entities}")
 
-        # Append user query to chat history
-        chat_history.append(user_input)
+        chat_history.append(("user", user_input))
 
         if uploaded_image is not None:
             base64_image = encode_image(uploaded_image)
@@ -272,8 +271,7 @@ def customLLMBot(user_input, uploaded_image, chat_history):
         LLM_reply = response.choices[0].message.content
         logger.debug(f"LLM reply: {LLM_reply}")
 
-        # Append LLM reply to chat history
-        chat_history.append(LLM_reply)
+        chat_history.append(("bot", LLM_reply))
         messages.append({"role": "assistant", "content": LLM_reply})
 
         audio_file = f"response_{uuid.uuid4().hex}.mp3"
@@ -285,8 +283,8 @@ def customLLMBot(user_input, uploaded_image, chat_history):
 
     except Exception as e:
         logger.error(f"Error in customLLMBot function: {e}")
-        return [user_input or "Image uploaded", f"An error occurred: {e}"], None
-    
+        return [("user", user_input or "Image uploaded"), ("bot", f"An error occurred: {e}")], None
+
 # Gradio Interface
 def chatbot_ui():
     logger.info("Setting up Gradio interface...")