Update app.py

app.py

@@ -1,11 +1,19 @@
 import logging
+import queue
+from pathlib import Path
+from typing import List, NamedTuple
+
+import av
 import cv2
 import numpy as np
 import streamlit as st
 from streamlit_webrtc import WebRtcMode, webrtc_streamer
-from cvzone.HandTrackingModule import HandDetector
+from sample_utils.webrtc_helpers import process_video_frame
 from sample_utils.turn import get_ice_servers
-import av
+from cvzone.HandTrackingModule import HandDetector
+from cvzone.SelfiSegmentationModule import SelfiSegmentation
+import time
+import os
 
 logger = logging.getLogger(__name__)