Update app.py

app.py

@@ -37,6 +37,12 @@ def handle_vision_call(msg, image_history):
             "role": "user",
             "content": [
                     {"type": "text", "text": msg.content},
+                    {
+                        "type": "image_url",
+                        "image_url": {
+                            "url": f"data:image/jpeg;base64,{image_base64}"
+                        }
+                    },
                 ],
             }
         )
@@ -97,7 +103,6 @@ async def on_message(msg: cl.Message):
     
     if stream:
         await process_stream(stream, msg=stream_msg)
-        image_history.append({"role": "system", "content": stream_msg.content})
         message_history.append({"role": "system", "content": stream_msg.content})
 
-    return stream_msg.content
+    return stream_msg.content