Update src/streamlit_app.py

src/streamlit_app.py

@@ -1,3 +1,11 @@
+import asyncio
+import sys
+
+if sys.platform.startswith('linux') and sys.version_info >= (3, 8):
+    try:
+        asyncio.set_event_loop_policy(asyncio.DefaultEventLoopPolicy())
+    except Exception:
+        pass
 import streamlit as st
 from PIL import Image
 import numpy as np