Update src/streamlit_app.py

src/streamlit_app.py

@@ -1,3 +1,19 @@
+import os
+
+# Set safe writable directories
+os.environ["STREAMLIT_CONFIG_DIR"] = "/tmp/.streamlit"
+os.environ["ULTRALYTICS_HUB_DIR"] = "/tmp/Ultralytics"
+os.environ["MPLCONFIGDIR"] = "/tmp/matplotlib"
+
+# Optional: Set YOLO config path
+os.environ["YOLO_CONFIG_DIR"] = "/tmp/Ultralytics"
+
+os.makedirs("/tmp/.streamlit", exist_ok=True)
+os.makedirs("/tmp/Ultralytics", exist_ok=True)
+os.makedirs("/tmp/matplotlib", exist_ok=True)
+
+os.environ["STREAMLIT_USAGE_STATISTICS"] = "false"
+
 import streamlit as st
 from PIL import Image
 import time
@@ -6,6 +22,7 @@ import io
 import matplotlib.pyplot as plt
 import pandas as pd
 
+
 # --- Page Config ---
 st.set_page_config(page_title="Smart Traffic Light System", layout="wide")