Update api/routes.py

api/routes.py

@@ -50,7 +50,7 @@ async def chat_completions(
     if stream:
         logger.info("Streaming response")
         response = await process_streaming_response(request_data)
-        return StreamingResponse(response, media_type="application/json")
+        return StreamingResponse(response, media_type="text/event-stream")
     else:
         logger.info("Non-streaming response")
         response = await process_non_streaming_response(request_data)