Update src/streamlit_app.py

src/streamlit_app.py

@@ -4,6 +4,7 @@ import os
 import asyncio
 import base64
 import io
+import atexit
 import threading
 import traceback
 import time
@@ -213,6 +214,7 @@ class GeminiInteractionLoop:
         self.is_running = True
         logging.info("GeminiInteractionLoop run_main_loop starting...")
         if client is None:
+
             logging.critical("Gemini client is None in run_main_loop. Aborting.")
             return